APA (7th ed.) Citation

Head, G. O., Pietra, C. A., & Segal, K. J. L. (1991). The AutoCAD 3D book / George O. Head, Charles A. Pietra, and Kenneth J.L. Segal. (2nd ed.). Ventana Press.

Chicago Style (17th ed.) Citation

Head, George O., Charles A. Pietra, and Kenneth J. L. Segal. The AutoCAD 3D Book / George O. Head, Charles A. Pietra, and Kenneth J.L. Segal. 2nd ed. Chapel Hill, NC: Ventana Press, 1991.

MLA (9th ed.) Citation

Head, George O., et al. The AutoCAD 3D Book / George O. Head, Charles A. Pietra, and Kenneth J.L. Segal. 2nd ed. Ventana Press, 1991.

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