APA সাইটেশন

(1973). last two million years: History of man. Readers Digest Association.

শিকাগো স্টাইলে সাইটেশন

Last Two Million Years: History of Man. London: Readers Digest Association, 1973.

এমএলএ সাইটেশন

Last Two Million Years: History of Man. Readers Digest Association, 1973.