American Psychological Association
Boff, Leonardo, & Cumming, John ( 1995 ). Ecology and Liberation: A New Paradigm ( 00 ed. ). Orbis Books.
Modern Language Association
Boff, Leonardo and Cumming, John. Ecology and Liberation: A New Paradigm . Orbis Books. 1995
Chicago Citation
Boff, Leonardo and Cumming, John. Ecology and Liberation: A New Paradigm . 00 .New York
: Orbis Books, 1995.
American Medical Association
Boff, Leonardo and Cumming, John. Ecology and Liberation: A New Paradigm . Orbis Books; 1995.