APA (7th ed.) Citation

Gelman, E., & Sichel, H. S. (1987). Library Book Circulation and the Beta-Binomial Distribution.

Chicago Style (17th ed.) Citation

Gelman, E., and H. S. Sichel. Library Book Circulation and the Beta-Binomial Distribution. 1987.

MLA (9th ed.) Citation

Gelman, E., and H. S. Sichel. Library Book Circulation and the Beta-Binomial Distribution. 1987.

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