APA (7th ed.) Citation

Day, J. (1967). A monographs on the polychaeta of Southern Africa. British Museum.

Chicago Style (17th ed.) Citation

Day, J.H. A Monographs on the Polychaeta of Southern Africa. London: British Museum, 1967.

MLA (9th ed.) Citation

Day, J.H. A Monographs on the Polychaeta of Southern Africa. British Museum, 1967.