Stroebel, L. D. (1974). Photographic filters: A programmed instruction handbook. Morgan & Morgan.
Chicago Style (17th ed.) CitationStroebel, Leslie D. Photographic Filters: A Programmed Instruction Handbook. Dobbs Ferry, N.Y.: Morgan & Morgan, 1974.
MLA (9th ed.) CitationStroebel, Leslie D. Photographic Filters: A Programmed Instruction Handbook. Morgan & Morgan, 1974.
Warning: These citations may not always be 100% accurate.