APA (7th ed.) Citation

Darcy, R., & Rohrs, R. C. (1995). A guide to quantitative history. Praeger.

Chicago Style (17th ed.) Citation

Darcy, R., and Richard C. Rohrs. A Guide to Quantitative History. Westport, Conn: Praeger, 1995.

MLA (9th ed.) Citation

Darcy, R., and Richard C. Rohrs. A Guide to Quantitative History. Praeger, 1995.