APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.