Cita APA (7a ed.)

Tappan, E. M. (1917). The little book of the flag. Houghton Mifflin Co.

Cita Chicago Style (17a ed.)

Tappan, Eva March. The Little Book of the Flag. Boston, New York [etc.]: Houghton Mifflin Co, 1917.

Cita MLA (8a ed.)

Tappan, Eva March. The Little Book of the Flag. Houghton Mifflin Co, 1917.