APA (7th ed.) Citation

Fuller, F. L. (1938). My half century as an inventor. [Mail and express printing Co., Inc.].

Chicago Style (17th ed.) Citation

Fuller, Frederick L. My Half Century as an Inventor. [New York]: [Mail and express printing Co., Inc.], 1938.

MLA (9th ed.) Citation

Fuller, Frederick L. My Half Century as an Inventor. [Mail and express printing Co., Inc.], 1938.