APA (7th ed.) Citation

Halfpenny, J. C. (1986). A field guide to mammal tracking in western America. Johnson Books.

Chicago Style (17th ed.) Citation

Halfpenny, James C. A Field Guide to Mammal Tracking in Western America. Boulder: Johnson Books, 1986.

MLA (9th ed.) Citation

Halfpenny, James C. A Field Guide to Mammal Tracking in Western America. Johnson Books, 1986.