Cita APA (7th ed.)

Santos, R. P. (1975). Quartet 1974. s.n.

Cita Chicago (17th ed.)

Santos, Ramon Pagayon. Quartet 1974. [S.l: s.n, 1975.

Cita MLA (9th ed.)

Santos, Ramon Pagayon. Quartet 1974. s.n, 1975.