APA način citiranja (7. izdanje)
Barna, G. (1991). What Americans believe: An annual survey of values and religious views in the United States. Regal Books.
Čikaški stil citiranja (17. izdanje)
Barna, George. What Americans Believe: An Annual Survey of Values and Religious Views in the United States. California: Regal Books, 1991.
MLA način citiranja (9. izdanje)
Barna, George. What Americans Believe: An Annual Survey of Values and Religious Views in the United States. Regal Books, 1991.
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