APA (7th ed.) Citation

Putnam, D. F., & Kerr, D. P. (1964). A regional geography of Canada (Revised edition 1964.). Dent.

Chicago Style (17th ed.) Citation

Putnam, Donald F., and Donald P. Kerr. A Regional Geography of Canada. Revised edition 1964. Toronto: Dent, 1964.

MLA (9th ed.) Citation

Putnam, Donald F., and Donald P. Kerr. A Regional Geography of Canada. Revised edition 1964. Dent, 1964.