APA (7th ed.) Citation

Duncan, E. H. (1976). Sören Kierkegaard. Word Books.

Chicago Style (17th ed.) Citation

Duncan, Elmer H. Sören Kierkegaard. Waco, Texas: Word Books, 1976.

MLA (9th ed.) Citation

Duncan, Elmer H. Sören Kierkegaard. Word Books, 1976.

Warning: These citations may not always be 100% accurate.