APA

Davis P. J., Chinn W. G., . (1969). 3.1416 and all that. New York: Simon and Schuster.

Chicago

Davis Philip J, Chinn William G, . 1969. 3.1416 and all that. New York: Simon and Schuster.

Harvard

Davis P. J., Chinn W. G., . (1969). 3.1416 and all that. New York: Simon and Schuster.

MLA

Davis Philip J, Chinn William G, . 3.1416 and all that. New York: Simon and Schuster. 1969.