APA (7th ed.) Citation

Walls, H. J. (1959). How photography works. Macmillan.

Chicago Style (17th ed.) Citation

Walls, H. J. How Photography Works. New York: Macmillan, 1959.

MLA (9th ed.) Citation

Walls, H. J. How Photography Works. Macmillan, 1959.

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