APA (7th ed.) Citation

BELS Biology Group. (1988). Biokeys. Blackie & Son Ltd.

Chicago Style (17th ed.) Citation

BELS Biology Group. Biokeys. London: Blackie & Son Ltd, 1988.

MLA (9th ed.) Citation

BELS Biology Group. Biokeys. Blackie & Son Ltd, 1988.

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