APA (7th ed.) Citation

Day, J. H. (1969). A Guide to marine life on South African shores. A. A. Balkema.

Chicago Style (17th ed.) Citation

Day, John Hemsworth. A Guide to Marine Life on South African Shores. Cape Town: A. A. Balkema, 1969.

MLA (9th ed.) Citation

Day, John Hemsworth. A Guide to Marine Life on South African Shores. A. A. Balkema, 1969.