APA সাইটেশন

Brown, H. (1954). The Challenge of Man's Future: An Inquiry Concerning the Condition of Man during the Years that Lie Ahead. N.Y.: Viking Press.

শিকাগো স্টাইলে সাইটেশন

Brown, Harrison. The Challenge of Man's Future: An Inquiry Concerning the Condition of Man During the Years That Lie Ahead. N.Y.: Viking Press, 1954.

এমএলএ সাইটেশন

Brown, Harrison. The Challenge of Man's Future: An Inquiry Concerning the Condition of Man During the Years That Lie Ahead. N.Y.: Viking Press, 1954.