Cita APA (7a ed.)

Castillo, A. V. (1969). Philippine economics (Rev. ed.). [s.n.].

Cita Chicago Style (17a ed.)

Castillo, Andres Villegas. Philippine Economics. Rev. ed. Manila: [s.n.], 1969.

Cita MLA (9a ed.)

Castillo, Andres Villegas. Philippine Economics. Rev. ed. [s.n.], 1969.