APA (7th ed.) Citation

Shafer, N. (1971). A guide book of modern United States currency (5th ed.). Western Pub. Co..

Chicago Style (17th ed.) Citation

Shafer, Neil. A Guide Book of Modern United States Currency. 5th ed. Racine, Wis.: Western Pub. Co., 1971.

MLA (9th ed.) Citation

Shafer, Neil. A Guide Book of Modern United States Currency. 5th ed. Western Pub. Co., 1971.