American Psychological Association 6th edition

Zhao, T., & Chi, Y. (2020). Hierarchical visual cryptography for multisecret images based on a modified phase retrieval algorithm. Multimedia Tools and Applications: An International Journal, 1-17. https://doi.org/10.1007/s11042-020-08632-z

ISO-690 (author-date, English)

ZHAO, Tieyu and CHI, Yingying, 2020. Hierarchical visual cryptography for multisecret images based on a modified phase retrieval algorithm. Multimedia Tools and Applications: An International Journal. 11 January 2020. P. 1-17. DOI 10.1007/s11042-020-08632-z.

Modern Language Association 9th edition

Zhao, T., and Y. Chi. “Hierarchical Visual Cryptography for Multisecret Images Based on a Modified Phase Retrieval Algorithm”. Multimedia Tools and Applications: An International Journal, Jan. 2020, pp. 1-17, https://doi.org/10.1007/s11042-020-08632-z.

Mohr Siebeck - Recht (Deutsch - Österreich)

Zhao, Tieyu/Chi, Yingying: Hierarchical visual cryptography for multisecret images based on a modified phase retrieval algorithm, Multimedia Tools and Applications: An International Journal 2020, 1-17.

Emerald - Harvard

Zhao, T. and Chi, Y. (2020), “Hierarchical visual cryptography for multisecret images based on a modified phase retrieval algorithm”, Multimedia Tools and Applications: An International Journal, pp. 1-17.

Warning: These citations may not always be 100% accurate.