APA (7th ed.) Citation

Richards, W. E., & Geier, O. A. (1930). Patents, trade-marks and copyrights: Law and practice (5th ed.). Richards & Geier.

Chicago Style (17th ed.) Citation

Richards, William Evarts, and Oscar A. Geier. Patents, Trade-marks and Copyrights: Law and Practice. 5th ed. New York: Richards & Geier, 1930.

MLA (8th ed.) Citation

Richards, William Evarts, and Oscar A. Geier. Patents, Trade-marks and Copyrights: Law and Practice. 5th ed. Richards & Geier, 1930.