Lillard, R. G. (1966). Eden in jeopardy: Man's prodigal meddling with his environment. Knopf.
Chicago Style (17. basım) AtıfLillard, Richard Gordon. Eden in Jeopardy: Man's Prodigal Meddling with His Environment. New York: Knopf, 1966.
MLA (9th ed.) AtıfLillard, Richard Gordon. Eden in Jeopardy: Man's Prodigal Meddling with His Environment. Knopf, 1966.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..