APA (7th ed.) Citation

Ledward, R. S., & Hawkins, D. F. (1983). Drug treatment in obstetrics: A handbook of prescribing. Chapman and Hall.

Chicago Style (17th ed.) Citation

Ledward, R. S., and D. F. Hawkins. Drug Treatment in Obstetrics: A Handbook of Prescribing. London: Chapman and Hall, 1983.

MLA (8th ed.) Citation

Ledward, R. S., and D. F. Hawkins. Drug Treatment in Obstetrics: A Handbook of Prescribing. Chapman and Hall, 1983.