APA (7th ed.) Citation

Kramer, A. J. (1946). Inventions at your service: Important patents available to the public free of charge. Progress press.

Chicago Style (17th ed.) Citation

Kramer, Albert Jack. Inventions at Your Service: Important Patents Available to the Public Free of Charge. Washington, D.C.: Progress press, 1946.

MLA (9th ed.) Citation

Kramer, Albert Jack. Inventions at Your Service: Important Patents Available to the Public Free of Charge. Progress press, 1946.