APA (7. basım) Alıntı
Helmes, W. G. (1949). John A. Johnson, the people's governor: A political biography. University of Minnesota Press.
Chicago Style (17. basım) Atıf
Helmes, Winifred G. John A. Johnson, the People's Governor: A Political Biography. Minneapolis: University of Minnesota Press, 1949.
MLA (9th ed.) Atıf
Helmes, Winifred G. John A. Johnson, the People's Governor: A Political Biography. University of Minnesota Press, 1949.
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