Cita APA (7a ed.)

Commager, H. S. (1966). The study of history. Charles E. Merrill Books, Inc.

Cita Chicago Style (17a ed.)

Commager, Henry Steele. The Study of History. Columbus, Ohio: Charles E. Merrill Books, Inc, 1966.

Cita MLA (9a ed.)

Commager, Henry Steele. The Study of History. Charles E. Merrill Books, Inc, 1966.