APA (7th ed.) Citation

Gil, A., & Martins, p. F. C. (1981). Versos (1a ed.). Ulmeiro.

Chicago Style (17th ed.) Citation

Gil, Augusto, and pref. F. Cabral Martins. Versos. 1a ed. Ulmeiro, 1981.

MLA (8th ed.) Citation

Gil, Augusto, and pref. F. Cabral Martins. Versos. 1a ed. Ulmeiro, 1981.