APA-Zitierstil (7. Ausg.)

O'Brien, J. J. (1968). The historical and cultural heritage of the Bicol people (2nd ed.). Ateneo de Naga].

Chicago-Zitierstil (17. Ausg.)

O'Brien, James Jerome. The Historical and Cultural Heritage of the Bicol People. 2nd ed. [Naga City: Ateneo de Naga], 1968.

MLA-Zitierstil (9. Ausg.)

O'Brien, James Jerome. The Historical and Cultural Heritage of the Bicol People. 2nd ed. Ateneo de Naga], 1968.