APA (7th ed.) Citation

Simpson, J. (1970). An introduction to preventive medicine (1. publ.). Heinemann Med. Books.

Chicago Style (17th ed.) Citation

Simpson, John. An Introduction to Preventive Medicine. 1. publ. London: Heinemann Med. Books, 1970.

MLA (9th ed.) Citation

Simpson, John. An Introduction to Preventive Medicine. 1. publ. Heinemann Med. Books, 1970.

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