APA (7th ed.) Citation

Watkins, C. D., & Marenka, S. R. (1994). Virtual reality excursions with programs in C. AP Professional.

Chicago Style (17th ed.) Citation

Watkins, Christopher D., and Stephen R. Marenka. Virtual Reality Excursions with Programs in C. Boston: AP Professional, 1994.

MLA (8th ed.) Citation

Watkins, Christopher D., and Stephen R. Marenka. Virtual Reality Excursions with Programs in C. AP Professional, 1994.

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