APA (7e ed.) Bronvermelding

Zoological Society of London. (1970). The Biology of the porifera; edited by W. G. Fry.

Chicago (17e ed.) Bronvermelding

Zoological Society of London. The Biology of the Porifera; Edited by W. G. Fry. [London] Published for the Zoological Society of London by Academic Press, 1970.

MLA (9e ed.) Bronvermelding

Zoological Society of London. The Biology of the Porifera; Edited by W. G. Fry. 1970.