Cita APA

Fenton, E., & Aberg, S. (1969). 32 problems in world history: Source readings and interpretations. Glenview, Illinois: Scott, Foresman and Company.

Citación estilo Chicago

Fenton, Edwin, y Sherrill Aberg. 32 Problems in World History: Source Readings and Interpretations. Glenview, Illinois: Scott, Foresman and Company, 1969.

Cita MLA

Fenton, Edwin, y Sherrill Aberg. 32 Problems in World History: Source Readings and Interpretations. Glenview, Illinois: Scott, Foresman and Company, 1969.