APA (7th ed.) Citation

Steyn, P. S., & Kluge, J. Contraceptives: A guide to product selection. AOSIS.

Chicago Style (17th ed.) Citation

Steyn, Petrus S., and J. Kluge. Contraceptives: A Guide to Product Selection. AOSIS.

MLA (9th ed.) Citation

Steyn, Petrus S., and J. Kluge. Contraceptives: A Guide to Product Selection. AOSIS.

Warning: These citations may not always be 100% accurate.