APA (7th ed.) Citation

Gear, C. W. (1973). Introduction to computer science: Instructor's guide. Science Research Associates.

Chicago Style (17th ed.) Citation

Gear, Charles William. Introduction to Computer Science: Instructor's Guide. Chicago: Science Research Associates, 1973.

MLA (9th ed.) Citation

Gear, Charles William. Introduction to Computer Science: Instructor's Guide. Science Research Associates, 1973.