Cita APA (7th ed.)

Espinas, M. B. (1968). A critical study of Ibalong: The Bikol folk epic-fragment. s.n.].

Cita Chicago (17th ed.)

Espinas, Merito B. A Critical Study of Ibalong: The Bikol Folk Epic-fragment. [Manila: s.n.], 1968.

Cita MLA (9th ed.)

Espinas, Merito B. A Critical Study of Ibalong: The Bikol Folk Epic-fragment. s.n.], 1968.