APA (7th ed.) Citation

Tyler, D. E. (1970). A new and simple theory of gravity. [Pruett Press].

Chicago Style (17th ed.) Citation

Tyler, Donald E. A New and Simple Theory of Gravity. [Boulder Colo.]: [Pruett Press], 1970.

MLA (9th ed.) Citation

Tyler, Donald E. A New and Simple Theory of Gravity. [Pruett Press], 1970.

Warning: These citations may not always be 100% accurate.