APA (7th ed.) Citation

Turner, A. K. (1969). The GCARS II system. Purdue University.

Chicago Style (17th ed.) Citation

Turner, A. Keith. The GCARS II System. Lafayette, Ind.: Purdue University, 1969.

MLA (9th ed.) Citation

Turner, A. Keith. The GCARS II System. Purdue University, 1969.