Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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