APA (7th ed.) Citation

Hecker, J. F. (1983). The sheep as an experimental animal. Academic Press.

Chicago Style (17th ed.) Citation

Hecker, Jonh F. The Sheep as an Experimental Animal. London [etc.]: Academic Press, 1983.

MLA (9th ed.) Citation

Hecker, Jonh F. The Sheep as an Experimental Animal. Academic Press, 1983.