APA (7th ed.) Citation

Castillo, A. V. (1949). Philippine economics. [s.n.].

Chicago Style (17th ed.) Citation

Castillo, Andres Villegas. Philippine Economics. Manila: [s.n.], 1949.

MLA (9th ed.) Citation

Castillo, Andres Villegas. Philippine Economics. [s.n.], 1949.