Cita APA (7th ed.)

Santos, R. P. (1973). Improperia: Good Friday reproaches ([Rev. ed.].). s.n.].

Cita Chicago (17th ed.)

Santos, Ramon Pagayon. Improperia: Good Friday Reproaches. [Rev. ed.]. [Quezon City: s.n.], 1973.

Cita MLA (9th ed.)

Santos, Ramon Pagayon. Improperia: Good Friday Reproaches. [Rev. ed.]. s.n.], 1973.