APA (7th ed.) Citation

Oliver, A. (2004). Guide to seashells of the world. Philip's.

Chicago Style (17th ed.) Citation

Oliver, A.P.H. Guide to Seashells of the World. London: Philip's, 2004.

MLA (8th ed.) Citation

Oliver, A.P.H. Guide to Seashells of the World. Philip's, 2004.

Warning: These citations may not always be 100% accurate.