APA (7th ed.) Citation

Halfpenny, J. C. (1986). A field guide to mammal tracking in North America (2nd ed.). Johnson Books.

Chicago Style (17th ed.) Citation

Halfpenny, James C. A Field Guide to Mammal Tracking in North America. 2nd ed. Boulder: Johnson Books, 1986.

MLA (9th ed.) Citation

Halfpenny, James C. A Field Guide to Mammal Tracking in North America. 2nd ed. Johnson Books, 1986.