Παραπομπή σε μορφή APA (7η εκδ.)

Rasmussen, R. K. (1995). Mark Twain A to Z: The essential reference to his life and writings. Oxford Univeristy Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Rasmussen, R. Kent. Mark Twain A to Z: The Essential Reference to His Life and Writings. New York ; Oxford: Oxford Univeristy Press, 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

Rasmussen, R. Kent. Mark Twain A to Z: The Essential Reference to His Life and Writings. Oxford Univeristy Press, 1995.