APA (7th ed.) Citation

Ihrig, E., & Ihrig, S. (1991). Corel DRAW! 2 made easy. Osborne McGraw-Hill.

Chicago Style (17th ed.) Citation

Ihrig, Emil, and Sybil Ihrig. Corel DRAW! 2 Made Easy. Berkeley, Calif: Osborne McGraw-Hill, 1991.

MLA (9th ed.) Citation

Ihrig, Emil, and Sybil Ihrig. Corel DRAW! 2 Made Easy. Osborne McGraw-Hill, 1991.