APA Style

Huntington, Ellsworth. (1945). Mainsprings of Civilization (1). : Mentor Book.

Chicago Style

Huntington, Ellsworth. Mainsprings of Civilization. 1 : Mentor Book, 1945. Non Fiction.

MLA Style

Huntington, Ellsworth. Mainsprings of Civilization. 1 : Mentor Book, 1945. Non Fiction.

Turabian Style

Huntington, Ellsworth. Mainsprings of Civilization. 1 : Mentor Book, 1945. Non Fiction.