Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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