APA (7th ed.) Citation

Romberg, T. A., Fennema, E., & Carpenter, T. P. (1993). Integrating research on the graphical representation of function. Lawrence Erlbaum Assoc..

Chicago Style (17th ed.) Citation

Romberg, Thomas A., Elizabeth Fennema, and Thomas P. Carpenter. Integrating Research on the Graphical Representation of Function. Hillsdale, N.J.: Lawrence Erlbaum Assoc., 1993.

MLA (9th ed.) Citation

Romberg, Thomas A., et al. Integrating Research on the Graphical Representation of Function. Lawrence Erlbaum Assoc., 1993.