APA (7th ed.) Citation

Alves, A. M., & Martins, p. M. (1976). Amor e aliança. Perpétuo Socorro.

Chicago Style (17th ed.) Citation

Alves, António Martins, and pref. Mário Martins. Amor E Aliança. Perpétuo Socorro, 1976.

MLA (8th ed.) Citation

Alves, António Martins, and pref. Mário Martins. Amor E Aliança. Perpétuo Socorro, 1976.

Warning: These citations may not always be 100% accurate.