APA (7th ed.) Citation

Leinhardt, G., Putnam, R., & Hattrup, R. A. (1991). Analysis of arithmetic for mathematics teaching. L. Erlbaum Associates.

Chicago Style (17th ed.) Citation

Leinhardt, Gaea, Ralph Putnam, and Rosemary A. Hattrup. Analysis of Arithmetic for Mathematics Teaching. Hillsdale, N.J.: L. Erlbaum Associates, 1991.

MLA (9th ed.) Citation

Leinhardt, Gaea, et al. Analysis of Arithmetic for Mathematics Teaching. L. Erlbaum Associates, 1991.