Style de citation APA (7e éd.)

Elderton, W. P., & Johnson, N. L. (1969). Systems of frequency curves. Cambridge University.

Style de citation Chicago (17e éd.)

Elderton, William Palin, et Norman Lloyd Johnson. Systems of Frequency Curves. Cambridge: Cambridge University, 1969.

Style de citation MLA (9e éd.)

Elderton, William Palin, et Norman Lloyd Johnson. Systems of Frequency Curves. Cambridge University, 1969.