Johnson, R., & Hammond, A. (1943). The art of retouching and improving negatives and prints (14th ed., rev. and enl.). American Photographic Publishing Co..
Chicago Style (17th ed.) CitationJohnson, Robert, and Arthur Hammond. The Art of Retouching and Improving Negatives and Prints. 14th ed., rev. and enl. Boston, Mass.: American Photographic Publishing Co., 1943.
MLA (9th ed.) CitationJohnson, Robert, and Arthur Hammond. The Art of Retouching and Improving Negatives and Prints. 14th ed., rev. and enl. American Photographic Publishing Co., 1943.
Warning: These citations may not always be 100% accurate.