APA (7th ed.) Citation

Nortman, D. (1977). Changing contraceptive patterns: A global perspective. Population Reference Bureau.

Chicago Style (17th ed.) Citation

Nortman, Dorothy. Changing Contraceptive Patterns: A Global Perspective. Washington: Population Reference Bureau, 1977.

MLA (9th ed.) Citation

Nortman, Dorothy. Changing Contraceptive Patterns: A Global Perspective. Population Reference Bureau, 1977.

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