Cita APA

Shafer, R. J. 1. (1974). A guide to historical method (Revised edition.). Homewood, Illinois: The Dorsey Press.

Citación estilo Chicago

Shafer, Robert Jones 1915-. A Guide to Historical Method. Revised edition. Homewood, Illinois: The Dorsey Press, 1974.

Cita MLA

Shafer, Robert Jones 1915-. A Guide to Historical Method. Revised edition. Homewood, Illinois: The Dorsey Press, 1974.