APA (7th ed.) Citation

Wheele, W. (1964). Essentials of biology (4th ed.). Heinemann educational books limited.

Chicago Style (17th ed.) Citation

Wheele, W.F. Essentials of Biology. 4th ed. London: Heinemann educational books limited, 1964.

MLA (9th ed.) Citation

Wheele, W.F. Essentials of Biology. 4th ed. Heinemann educational books limited, 1964.

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