Cita APA (7th ed.)

Abaya, H. J. (1970). Betrayal in the Philippines. s.n.

Cita Chicago (17th ed.)

Abaya, Hernando J. Betrayal in the Philippines. s.l: s.n, 1970.

Cita MLA (9th ed.)

Abaya, Hernando J. Betrayal in the Philippines. s.n, 1970.