APA (7th ed.) Citation

Contactor & Molloy, E. (1941). Electric lifts: A practical treatise on their construction, operation and maintenance. George Newnes.

Chicago Style (17th ed.) Citation

Contactor and Edward Molloy. Electric Lifts: A Practical Treatise on Their Construction, Operation and Maintenance. London: George Newnes, 1941.

MLA (8th ed.) Citation

Contactor and Edward Molloy. Electric Lifts: A Practical Treatise on Their Construction, Operation and Maintenance. George Newnes, 1941.