APA (7th ed.) Citation

Simpson, J. (1970). An introduction to preventive medicine. Heinemann Medical.

Chicago Style (17th ed.) Citation

Simpson, John. An Introduction to Preventive Medicine. London: Heinemann Medical, 1970.

MLA (8th ed.) Citation

Simpson, John. An Introduction to Preventive Medicine. Heinemann Medical, 1970.

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