APA (7th ed.) Citation

Hawkins, F. B., & Quetelet, A. (1973). Comparative statistics in the 19th century. Gregg.

Chicago Style (17th ed.) Citation

Hawkins, Francis Bisset, and Adolphe Quetelet. Comparative Statistics in the 19th Century. Farnborough, Hants.: Gregg, 1973.

MLA (8th ed.) Citation

Hawkins, Francis Bisset, and Adolphe Quetelet. Comparative Statistics in the 19th Century. Gregg, 1973.