APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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