APA

Abercrombie M., Hickman C. J. & Johnson M. L. (1974). A dictionary of biology. Middlesex, England: Penguin Books.

Chicago

Abercrombie M, Hickman C J and Johnson M L. 1974. A dictionary of biology. Middlesex, England: Penguin Books.

Harvard

Abercrombie M., Hickman C. J. and Johnson M. L. (1974). A dictionary of biology. Middlesex, England: Penguin Books.

MLA

Abercrombie M, Hickman C J and Johnson M L. A dictionary of biology. Middlesex, England: Penguin Books. 1974.