APA (7th ed.) Citation

Pacis, V. A. (1971). President Sergio Osmeña ; a fully documented biography. Philippine Constitution Association ...

Chicago Style (17th ed.) Citation

Pacis, Vicente Albano. President Sergio Osmeña ; a Fully Documented Biography. Quezon City: Philippine Constitution Association .., 1971.

MLA (9th ed.) Citation

Pacis, Vicente Albano. President Sergio Osmeña ; a Fully Documented Biography. Philippine Constitution Association .., 1971.