APA

Ripley J. A., . (1964). The elements and structure of the physical sciences. New York: Wiley.

Chicago

Ripley Julien A, . 1964. The elements and structure of the physical sciences. New York: Wiley.

Harvard

Ripley J. A., . (1964). The elements and structure of the physical sciences. New York: Wiley.

MLA

Ripley Julien A, . The elements and structure of the physical sciences. New York: Wiley. 1964.