Cita APA (7th ed.)

Estrada, A. (1950). The philosophy of law. University Pub. Co.

Cita Chicago (17th ed.)

Estrada, Antonio. The Philosophy of Law. Manila: University Pub. Co, 1950.

Cita MLA (9th ed.)

Estrada, Antonio. The Philosophy of Law. University Pub. Co, 1950.