Cita APA (7a ed.)

Mowry, W. A., & Mowry, A. M. (2015). First Steps in the history of our country.

Cita Chicago Style (17a ed.)

Mowry, William Augustus, y Arthur May Mowry. First Steps in the History of Our Country. 2015.

Cita MLA (9a ed.)

Mowry, William Augustus, y Arthur May Mowry. First Steps in the History of Our Country. 2015.