APA (7th ed.) Citation

Walls, J. G. (1982). Encyclopedia of marine invertebrates. T.F.H.

Chicago Style (17th ed.) Citation

Walls, Jerry G. Encyclopedia of Marine Invertebrates. Neptune, NJ: T.F.H, 1982.

MLA (8th ed.) Citation

Walls, Jerry G. Encyclopedia of Marine Invertebrates. T.F.H, 1982.

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