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American Psychological Association 6th edition

Kumar, M., Jindal, M. K., & Kumar, M. (2022). A Systematic Survey on CAPTCHA Recognition: Types, Creation and Breaking Techniques. Archives of Computational Methods in Engineering: State of the Art Reviews, 29(2), 1107-1136. https://doi.org/10.1007/s11831-021-09608-4

ISO-690 (author-date, English)

KUMAR, Mohinder, JINDAL, M. K. und KUMAR, Munish, 2022. A Systematic Survey on CAPTCHA Recognition: Types, Creation and Breaking Techniques. Archives of Computational Methods in Engineering: State of the Art Reviews. 1 März 2022. Vol. 29, no. 2, p. 1107-1136. DOI 10.1007/s11831-021-09608-4.

Modern Language Association 9th edition

Kumar, M., M. K. Jindal, und M. Kumar. „A Systematic Survey on CAPTCHA Recognition: Types, Creation and Breaking Techniques“. Archives of Computational Methods in Engineering: State of the Art Reviews, Bd. 29, Nr. 2, März 2022, S. 1107-36, https://doi.org/10.1007/s11831-021-09608-4.

Mohr Siebeck - Recht (Deutsch - Österreich)

Kumar, Mohinder/Jindal, M. K./Kumar, Munish: A Systematic Survey on CAPTCHA Recognition: Types, Creation and Breaking Techniques, Archives of Computational Methods in Engineering: State of the Art Reviews 2022, 1107-1136.

Emerald - Harvard

Kumar, M., Jindal, M.K. und Kumar, M. (2022), „A Systematic Survey on CAPTCHA Recognition: Types, Creation and Breaking Techniques“, Archives of Computational Methods in Engineering: State of the Art Reviews, Vol. 29 No. 2, S. 1107-1136.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.