APA

Whipkey K. L., Whipkey M. N., . (1972). The power of calculus. New York: Wiley.

Chicago

Whipkey Kenneth L, Whipkey Mary Nell, . 1972. The power of calculus. New York: Wiley.

Harvard

Whipkey K. L., Whipkey M. N., . (1972). The power of calculus. New York: Wiley.

MLA

Whipkey Kenneth L, Whipkey Mary Nell, . The power of calculus. New York: Wiley. 1972.