Cita APA (7th ed.)

Cartwright, W. H. (1950). The teaching of history in the United States (a. ed.). Instituto Panamericano de Geografía e Historia.

Cita Chicago (17th ed.)

Cartwright, William H. The Teaching of History in the United States. a. ed. México: Instituto Panamericano de Geografía e Historia, 1950.

Cita MLA (9th ed.)

Cartwright, William H. The Teaching of History in the United States. a. ed. Instituto Panamericano de Geografía e Historia, 1950.