Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.