Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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