APA引文

Gottschalk, L. (1969). Understanding history: A primer of historical method (2nd ed.). Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Gottschalk, Louis. Understanding History: A Primer of Historical Method. 2nd ed. New York: Alfred A. Knopf, 1969.

MLA引文

Gottschalk, Louis. Understanding History: A Primer of Historical Method. 2nd ed. Alfred A. Knopf, 1969.