APA引文

Schwager, M. (1944). Letter to Paul Heuduck, February 4, 1944. Saint Louis University Libraries Digitization Center.

Chicago Style (17th ed.) Citation

Schwager, Mortimer. Letter to Paul Heuduck, February 4, 1944. Saint Louis University Libraries Digitization Center, 1944.

MLA引文

Schwager, Mortimer. Letter to Paul Heuduck, February 4, 1944. Saint Louis University Libraries Digitization Center, 1944.

警告：这些引文格式不一定是100％准确.