APA (7th ed.) Citation

Lewis, G. L. (1978). Turkish (1st ed., 15. imp.). Teach Yourself Books.

Chicago Style (17th ed.) Citation

Lewis, Geoffrey L. Turkish. 1st ed., 15. imp. New York [etc.]: Teach Yourself Books, 1978.

MLA (9th ed.) Citation

Lewis, Geoffrey L. Turkish. 1st ed., 15. imp. Teach Yourself Books, 1978.

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