APA (7th ed.) Citation

Eggenberger, D. (1959). Flags of the U.S.A. Crowell.

Chicago Style (17th ed.) Citation

Eggenberger, David. Flags of the U.S.A. New York: Crowell, 1959.

MLA (9th ed.) Citation

Eggenberger, David. Flags of the U.S.A. Crowell, 1959.

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