Cita APA (7a ed.)

Dieterle, H., & Dieterle, R. (1992). Ninety Years in the Heartland. North American Heritage Press.

Cita Chicago Style (17a ed.)

Dieterle, Henry, y Roger Dieterle. Ninety Years in the Heartland. Minot, North Dakota: North American Heritage Press, 1992.

Cita MLA (8a ed.)

Dieterle, Henry, y Roger Dieterle. Ninety Years in the Heartland. North American Heritage Press, 1992.