APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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