Citazione Stile APA (7a Edizione)

Espinas, M. B. (1968). A critical study of Ibalong: The Bikol folk epic-fragment. [publisher not identified].

Citazione stile Chigago Style (17a edizione)

Espinas, Merito B. A Critical Study of Ibalong: The Bikol Folk Epic-fragment. [Manila]: [publisher not identified], 1968.

Citatione MLA (9a ed.)

Espinas, Merito B. A Critical Study of Ibalong: The Bikol Folk Epic-fragment. [publisher not identified], 1968.