Cita APA (7th ed.)

Beyer, H. O. (1950). The Philippines before Magellan. s.n.

Cita Chicago (17th ed.)

Beyer, Henry Otley. The Philippines Before Magellan. [Quezon Cityn: s.n, 1950.

Cita MLA (9th ed.)

Beyer, Henry Otley. The Philippines Before Magellan. s.n, 1950.