Cita APA (7a ed.)

Schoultz, B. v. (1974). Studies on PZ, the pregnancy zone protein.

Cita Chicago Style (17a ed.)

Schoultz, Bo von. Studies on PZ, the Pregnancy Zone Protein. Umeå, 1974.

Cita MLA (9a ed.)

Schoultz, Bo von. Studies on PZ, the Pregnancy Zone Protein. 1974.