APA সাইটেশন

McReynolds, D. (1970). We Have been Invaded by The 21st Century. Praeger.

শিকাগো স্টাইলে সাইটেশন

McReynolds, David. We Have Been Invaded by The 21st Century. New York: Praeger, 1970.

এমএলএ সাইটেশন

McReynolds, David. We Have Been Invaded by The 21st Century. Praeger, 1970.