Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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