APA (7th ed.) Citation

Sandoz, M., & Stauffer, H. W. (1992). Letters of Mari Sandoz. University of Nebraska Press.

Chicago Style (17th ed.) Citation

Sandoz, Mari, and Helen Winter Stauffer. Letters of Mari Sandoz. Lincoln: University of Nebraska Press, 1992.

MLA (9th ed.) Citation

Sandoz, Mari, and Helen Winter Stauffer. Letters of Mari Sandoz. University of Nebraska Press, 1992.