APA (7th ed.) Citation

ScienceDirect (Online service) & Marshall, A. J. (1961). Biology and comparative physiology of birds. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and A. J. Marshall. Biology and Comparative Physiology of Birds. New York: Academic Press, 1961.

MLA (9th ed.) Citation

ScienceDirect (Online service) and A. J. Marshall. Biology and Comparative Physiology of Birds. Academic Press, 1961.

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