APA (7th ed.) Citation

Humphrey, D., & Topping, J. (1949). A shorter intermediate mechanics. Longmans, Green.

Chicago Style (17th ed.) Citation

Humphrey, Douglas, and J. Topping. A Shorter Intermediate Mechanics. London, New York: Longmans, Green, 1949.

MLA (9th ed.) Citation

Humphrey, Douglas, and J. Topping. A Shorter Intermediate Mechanics. Longmans, Green, 1949.