APA (7th ed.) Citation

TK, J., SH, S., NE, S., S, R., & N, J. (2010). Caffeine intake and semen quality in a population of 2,554 young Danish men. American journal of epidemiology, 171(8), 883. https://doi.org/10.1093/aje/kwq007

Chicago Style (17th ed.) Citation

TK, Jensen, Swan SH, Skakkebaek NE, Rasmussen S, and Jørgensen N. "Caffeine Intake and Semen Quality in a Population of 2,554 Young Danish Men." American Journal of Epidemiology 171, no. 8 (2010): 883. https://doi.org/10.1093/aje/kwq007.

MLA (9th ed.) Citation

TK, Jensen, et al. "Caffeine Intake and Semen Quality in a Population of 2,554 Young Danish Men." American Journal of Epidemiology, vol. 171, no. 8, 2010, p. 883, https://doi.org/10.1093/aje/kwq007.