APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.