Cita APA (7th ed.)

Cruz, A. C. (1960). Signatures: A poetry publication. [s.n.].

Cita Chicago (17th ed.)

Cruz, Andres Cristobal. Signatures: A Poetry Publication. Manila: [s.n.], 1960.

Cita MLA (9th ed.)

Cruz, Andres Cristobal. Signatures: A Poetry Publication. [s.n.], 1960.