APA (7th ed.) Citation

Thompsen, R. D. (1979). World coins and their values. Western Publ.

Chicago Style (17th ed.) Citation

Thompsen, Richard D. World Coins and Their Values. Racine, Wis: Western Publ, 1979.

MLA (9th ed.) Citation

Thompsen, Richard D. World Coins and Their Values. Western Publ, 1979.

Warning: These citations may not always be 100% accurate.