APA (7th ed.) Citation

Bolas, T., & Brown, G. E. (1902). The lens: A practical guide to the choice, use, and testing of photographic objectives. Tennant & Ward.

Chicago Style (17th ed.) Citation

Bolas, Thomas, and George E. Brown. The Lens: A Practical Guide to the Choice, Use, and Testing of Photographic Objectives. New York: Tennant & Ward, 1902.

MLA (9th ed.) Citation

Bolas, Thomas, and George E. Brown. The Lens: A Practical Guide to the Choice, Use, and Testing of Photographic Objectives. Tennant & Ward, 1902.