Cita APA (7th ed.)

Day, J. H. (1967). A Monograph on the polychaeta of Southern Africa. British Museum (Natural History).

Cita Chicago (17th ed.)

Day, John Hemsworth. A Monograph on the Polychaeta of Southern Africa. London: British Museum (Natural History), 1967.

Cita MLA (9th ed.)

Day, John Hemsworth. A Monograph on the Polychaeta of Southern Africa. British Museum (Natural History), 1967.