APA (7th ed.) Citation

Thomas, A. K. (1952). The imitation of Christ. Penguin Books.

Chicago Style (17th ed.) Citation

Thomas, A. Kempis. The Imitation of Christ. Penguin Books, 1952.

MLA (9th ed.) Citation

Thomas, A. Kempis. The Imitation of Christ. Penguin Books, 1952.

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