APA (7th ed.) Citation

De Ocampo, E. A. (1977). First Filipino diplomat: Felipe Agoncillo (1859-1941). National Historical Institute.

Chicago Style (17th ed.) Citation

De Ocampo, Esteban A. First Filipino Diplomat: Felipe Agoncillo (1859-1941). Manila: National Historical Institute, 1977.

MLA (9th ed.) Citation

De Ocampo, Esteban A. First Filipino Diplomat: Felipe Agoncillo (1859-1941). National Historical Institute, 1977.

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