APA Edition Citation

Hughes, G. M. (1974). Comparative physiology of vertebrate respiration (2.).

Chicago Edition Citation

Hughes, G M. Comparative Physiology of Vertebrate Respiration. 2. Heinemann Educational Books Ltd., London, 1974.

MLA Edition Citation

Hughes, G M. Comparative Physiology of Vertebrate Respiration. 2. 1974.

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