APA (7th ed.) Citation

Eggenberger, D. (1964). Flags of the U. S. A (Enl. ed.). Crowell.

Chicago Style (17th ed.) Citation

Eggenberger, David. Flags of the U. S. A. Enl. ed. New York: Crowell, 1964.

MLA (9th ed.) Citation

Eggenberger, David. Flags of the U. S. A. Enl. ed. Crowell, 1964.