APA aipamena

Meiere, H. (1949). Letter to Arno Heuduck, September 18, 1949. Saint Louis University Libraries Digitization Center.

Chicago Style aipamena

Meiere, Hildreth. Letter to Arno Heuduck, September 18, 1949. Saint Louis University Libraries Digitization Center, 1949.

MLA aipamena

Meiere, Hildreth. Letter to Arno Heuduck, September 18, 1949. Saint Louis University Libraries Digitization Center, 1949.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.