MLA

Eddington, Arthur Stanley. Space, Time and Gravitation : an Outline of the General Relativity Theory. New York: Harper, 1959.

APA

Eddington, A. Stanley. (1959). Space, time and gravitation : an outline of the general relativity theory. New York: Harper.

Chicago

Eddington, Arthur Stanley, Space, Time and Gravitation: An Outline of the General Relativity Theory. New York: Harper, 1959.