Cita APA (7a ed.)

Elstein, M., Moghissi, K. S., & Borth, R. (1973). Cervical mucus in human reproduction. Scriptor.

Cita Chicago Style (17a ed.)

Elstein, Max, Kamran S. Moghissi, y Rudi Borth. Cervical Mucus in Human Reproduction. Copenhagen: Scriptor, 1973.

Cita MLA (9a ed.)

Elstein, Max, et al. Cervical Mucus in Human Reproduction. Scriptor, 1973.