APA (7 ম সংস্করণ) উদ্ধৃতি

Leakey, R. E., & Lewin, R. (1977). Origins: What new discoveries reveal about the emergence of our species and its possible future. Dutton.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Leakey, Richard E., এবং Roger Lewin. Origins: What New Discoveries Reveal About the Emergence of Our Species and Its Possible Future. New York: Dutton, 1977.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Leakey, Richard E., এবং Roger Lewin. Origins: What New Discoveries Reveal About the Emergence of Our Species and Its Possible Future. Dutton, 1977.