Cita APA (7a ed.)

Groves, R. (1949). Sharpen the sickle!: The history of the farm workers' union. Porcupine.

Cita Chicago Style (17a ed.)

Groves, Reg. Sharpen the Sickle!: The History of the Farm Workers' Union. London: Porcupine, 1949.

Cita MLA (8a ed.)

Groves, Reg. Sharpen the Sickle!: The History of the Farm Workers' Union. Porcupine, 1949.