APA (7th ed.) Citation

Bernal, R., & Echevarria, R. (1967). Prologue to Philippine history. Solidaridad Pub. House].

Chicago Style (17th ed.) Citation

Bernal, Rafael, and Ramon Echevarria. Prologue to Philippine History. [Manila: Solidaridad Pub. House], 1967.

MLA (8th ed.) Citation

Bernal, Rafael, and Ramon Echevarria. Prologue to Philippine History. Solidaridad Pub. House], 1967.