Cita APA (7a ed.)

Hanna, P. R., & Kohn, C. F. (1950). Guidebook for social studies book 4 (Teachers ed.). Scott, Foresman.

Cita Chicago Style (17a ed.)

Hanna, Paul R., y Clyde F. Kohn. Guidebook for Social Studies Book 4. Teachers ed. Chicago [u.a.]: Scott, Foresman, 1950.

Cita MLA (9a ed.)

Hanna, Paul R., y Clyde F. Kohn. Guidebook for Social Studies Book 4. Teachers ed. Scott, Foresman, 1950.