Meiere, H. (1949). Letter to Paul Heuduck, October 7, 1949. Saint Louis University Libraries Digitization Center.
Chicago (17e ed.) BronvermeldingMeiere, Hildreth. Letter to Paul Heuduck, October 7, 1949. Saint Louis University Libraries Digitization Center, 1949.
MLA (8e ed.) BronvermeldingMeiere, Hildreth. Letter to Paul Heuduck, October 7, 1949. Saint Louis University Libraries Digitization Center, 1949.
Let op: Deze citaties zijn niet altijd 100% accuraat.