APA (7th ed.) Citation

School Mathematics Study Group, Wilson, J. W., Cahen, L. S., & Begle, E. G. (1968). Population test batteries. Leland Stanford Junior University.

Chicago Style (17th ed.) Citation

School Mathematics Study Group, James W. Wilson, Leonard S. Cahen, and Edward G. Begle. Population Test Batteries. Stanford, CA: Leland Stanford Junior University, 1968.

MLA (9th ed.) Citation

School Mathematics Study Group, et al. Population Test Batteries. Leland Stanford Junior University, 1968.