Cita APA (7a ed.)

Walker, A. H., & Lotsch, J. L. (1929). A treatise on the law of patents for inventions (6th ed.). Baker Voorhis & Co..

Cita Chicago Style (17a ed.)

Walker, Albert Henry, y John L. Lotsch. A Treatise on the Law of Patents for Inventions. 6th ed. New York: Baker Voorhis & Co., 1929.

Cita MLA (8a ed.)

Walker, Albert Henry, y John L. Lotsch. A Treatise on the Law of Patents for Inventions. 6th ed. Baker Voorhis & Co., 1929.