APA Edition Citation

Wessells, N. K. (1969). Vertebrate adaptations. W. H. Freeman.

Chicago Edition Citation

Wessells, Norman K. Vertebrate Adaptations. San Francisco: W. H. Freeman, 1969.

MLA Edition Citation

Wessells, Norman K. Vertebrate Adaptations. W. H. Freeman, 1969.

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