Lillard, R. G. (1966). Eden in jeopardy: Man's prodigal meddling with his environment. Knopf.
Cita Chicago (17th ed.)Lillard, Richard Gordon. Eden in Jeopardy: Man's Prodigal Meddling with His Environment. New York: Knopf, 1966.
Cita MLA (9th ed.)Lillard, Richard Gordon. Eden in Jeopardy: Man's Prodigal Meddling with His Environment. Knopf, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.