Citação norma APA

Foerster, F. W., Tetens, T., & Reynolds, Q. (1943). Would you sign this letter...?: [open letter to the "Loyal Americans of German Descent"]. Privately printed.

Citação norma Chicago

Foerster, Friedrich Wilhelm, T.H Tetens, and Quentin Reynolds. Would You Sign This Letter...?: [open Letter to the "Loyal Americans of German Descent"]. New York, N.Y: Privately printed, 1943.

Citação norma MLA

Foerster, Friedrich Wilhelm, et al. Would You Sign This Letter...?: [open Letter to the "Loyal Americans of German Descent"]. Privately printed, 1943.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.