American Psychological Association 6th edition

Schindler, R. (2003). P≠NP for Infinite Time Turing Machines. Monatshefte für Mathematik, 139(4), 335-340. https://doi.org/10.1007/s00605-002-0545-5

ISO-690 (author-date, English)

SCHINDLER, Ralf, 2003. P≠NP for Infinite Time Turing Machines. Monatshefte für Mathematik. 1 August 2003. Vol. 139, no. 4, p. 335-340. DOI 10.1007/s00605-002-0545-5.

Modern Language Association 9th edition

Schindler, R. “P≠NP for Infinite Time Turing Machines”. Monatshefte für Mathematik, vol. 139, no. 4, Aug. 2003, pp. 335-40, https://doi.org/10.1007/s00605-002-0545-5.

Mohr Siebeck - Recht (Deutsch - Österreich)

Schindler, Ralf: P≠NP for Infinite Time Turing Machines, Monatshefte für Mathematik 2003, 335-340.

Emerald - Harvard

Schindler, R. (2003), “P≠NP for Infinite Time Turing Machines”, Monatshefte für Mathematik, Vol. 139 No. 4, pp. 335-340.

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