APA (7th ed.) Citation

Hammond, A. (1946). How to tone prints. American photographic publishing co..

Chicago Style (17th ed.) Citation

Hammond, Arthur. How to Tone Prints. Boston: American photographic publishing co., 1946.

MLA (9th ed.) Citation

Hammond, Arthur. How to Tone Prints. American photographic publishing co., 1946.

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