APA (7th ed.) Citation

Swaab, D. F., & Hofman, M. A. (1990). An enlarged suprachiasmatic nucleus in homosexual men. Brain research, 537(1-2), 141. https://doi.org/10.1016/0006-8993(90)90350-K

Chicago Style (17th ed.) Citation

Swaab, D F., and M A. Hofman. "An Enlarged Suprachiasmatic Nucleus in Homosexual Men." Brain Research 537, no. 1-2 (1990): 141. https://doi.org/10.1016/0006-8993(90)90350-K.

MLA (9th ed.) Citation

Swaab, D F., and M A. Hofman. "An Enlarged Suprachiasmatic Nucleus in Homosexual Men." Brain Research, vol. 537, no. 1-2, 1990, p. 141, https://doi.org/10.1016/0006-8993(90)90350-K.