APA引文

Wagner, G. (1940). Letter in German to Paul Heuduck, February 12, 1940. Saint Louis University Libraries Digitization Center.

Chicago Style (17th ed.) Citation

Wagner, Gerdt. Letter in German to Paul Heuduck, February 12, 1940. Saint Louis University Libraries Digitization Center, 1940.

MLA引文

Wagner, Gerdt. Letter in German to Paul Heuduck, February 12, 1940. Saint Louis University Libraries Digitization Center, 1940.

警告：这些引文格式不一定是100％准确.