APA (7th ed.) Citation

Schulz, W. (1996). Hormonal contraception (2. ed., rev.). Schering AG.

Chicago Style (17th ed.) Citation

Schulz, Wolfgang. Hormonal Contraception. 2. ed., rev. Berlin: Schering AG, 1996.

MLA (9th ed.) Citation

Schulz, Wolfgang. Hormonal Contraception. 2. ed., rev. Schering AG, 1996.