APA (7th ed.) Citation

Hobart, J. (1990). Quick reference guide to National geographic, 1955-mid 1990. Geoimages Pub. Co..

Chicago Style (17th ed.) Citation

Hobart, Jack. Quick Reference Guide to National Geographic, 1955-mid 1990. Los Angeles, CA: Geoimages Pub. Co., 1990.

MLA (9th ed.) Citation

Hobart, Jack. Quick Reference Guide to National Geographic, 1955-mid 1990. Geoimages Pub. Co., 1990.