APA (7th ed.) Citation

Pacis, V. A. (1971). President Sergio Osmena: A fully documented biography. Published jointly by Philippine Constitution Association.

Chicago Style (17th ed.) Citation

Pacis, Vicente A. President Sergio Osmena: A Fully Documented Biography. [S.l.]: Published jointly by Philippine Constitution Association, 1971.

MLA (9th ed.) Citation

Pacis, Vicente A. President Sergio Osmena: A Fully Documented Biography. Published jointly by Philippine Constitution Association, 1971.