APA (7th ed.) Citation

Niven, C. A., & Walker, A. (1996). Conception, pregnancy and birth. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Niven, Catherine A., and Anne Walker. Conception, Pregnancy and Birth. Oxford: Butterworth-Heinemann, 1996.

MLA (9th ed.) Citation

Niven, Catherine A., and Anne Walker. Conception, Pregnancy and Birth. Butterworth-Heinemann, 1996.

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