Heermans, F. (1888). Two negatives make an affirmative: A photographic comedy in one act. Dramatic Pub. Co..
Chicago Style (17th ed.) CitationHeermans, Forbes. Two Negatives Make an Affirmative: A Photographic Comedy in One Act. Chicago: Dramatic Pub. Co., 1888.
MLA (8th ed.) CitationHeermans, Forbes. Two Negatives Make an Affirmative: A Photographic Comedy in One Act. Dramatic Pub. Co., 1888.
Warning: These citations may not always be 100% accurate.