APA (7th ed.) Citation

National Historical Institute & Regional Seminar on History. (1975). Proceedings and position papers of the First Regional Seminar on History. NHI.

Chicago Style (17th ed.) Citation

National Historical Institute and Regional Seminar on History. Proceedings and Position Papers of the First Regional Seminar on History. Manila: NHI, 1975.

MLA (9th ed.) Citation

National Historical Institute and Regional Seminar on History. Proceedings and Position Papers of the First Regional Seminar on History. NHI, 1975.