APA (7th ed.) Citation

Vonder Embse, C., & Engebretsen, A. (1996). Geometric investigations for the classroom using the TI-92. Texas Instruments.

Chicago Style (17th ed.) Citation

Vonder Embse, Charles, and Arne Engebretsen. Geometric Investigations for the Classroom Using the TI-92. Austin, Tex: Texas Instruments, 1996.

MLA (9th ed.) Citation

Vonder Embse, Charles, and Arne Engebretsen. Geometric Investigations for the Classroom Using the TI-92. Texas Instruments, 1996.

Warning: These citations may not always be 100% accurate.