APA (7th ed.) Citation

Rizal Lectures Intramuros, Manila, & De Ocampo, E. A. (1973). The sixth annual Rizal lectures. National Historical Commission.

Chicago Style (17th ed.) Citation

Rizal Lectures Intramuros, Manila, and Esteban A. De Ocampo. The Sixth Annual Rizal Lectures. Manila: National Historical Commission, 1973.

MLA (9th ed.) Citation

Rizal Lectures Intramuros, Manila, and Esteban A. De Ocampo. The Sixth Annual Rizal Lectures. National Historical Commission, 1973.