APA (7th ed.) Citation

Boff, L., & Boff, C. (1984). Salvation and liberation. Orbis Books u.a.

Chicago Style (17th ed.) Citation

Boff, Leonardo, and Clodovis Boff. Salvation and Liberation. Maryknoll, NY: Orbis Books u.a, 1984.

MLA (9th ed.) Citation

Boff, Leonardo, and Clodovis Boff. Salvation and Liberation. Orbis Books u.a, 1984.

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