Cita APA (7a ed.)

Hoffman, A. (1987). An Oklahoma tragedy: The shooting of the Mexican students, 1931 Southwestern studies series.

Cita Chicago Style (17a ed.)

Hoffman, Abraham. "An Oklahoma Tragedy: The Shooting of the Mexican Students, 1931." Southwestern Studies Series 1987.

Cita MLA (8a ed.)

Hoffman, Abraham. "An Oklahoma Tragedy: The Shooting of the Mexican Students, 1931." Southwestern Studies Series, 1987.