Cita APA (7a ed.)

Burger, W. V. (1935). Teacher's manual for Ditto directed study lessons in American history. Ditto, Inc..

Cita Chicago Style (17a ed.)

Burger, William V. Teacher's Manual for Ditto Directed Study Lessons in American History. Chicago: Ditto, Inc., 1935.

Cita MLA (8a ed.)

Burger, William V. Teacher's Manual for Ditto Directed Study Lessons in American History. Ditto, Inc., 1935.