Cita APA (7th ed.)

Alzate, M. A. (1926). Convict labor in the Philippine Islands: Presented at the Ninth International Prison Congress held in London, August, 1925. Bureau of Print.

Cita Chicago (17th ed.)

Alzate, Manuel A. Convict Labor in the Philippine Islands: Presented at the Ninth International Prison Congress Held in London, August, 1925. Manila: Bureau of Print, 1926.

Cita MLA (9th ed.)

Alzate, Manuel A. Convict Labor in the Philippine Islands: Presented at the Ninth International Prison Congress Held in London, August, 1925. Bureau of Print, 1926.