APA (7th ed.) Citation

Kahn, R. I. (1972). The letter and the spirit. Word Books.

Chicago Style (17th ed.) Citation

Kahn, Robert I. The Letter and the Spirit. Waco, Texas: Word Books, 1972.

MLA (9th ed.) Citation

Kahn, Robert I. The Letter and the Spirit. Word Books, 1972.

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