APA (7th ed.) Citation
Ihrig, E., Ihrig, S., Matthews, M. S., & Boggs Matthews, C. (1991). CorelDRAW 2: Made easy. Osborne McGraw-Hill.
Chicago Style (17th ed.) Citation
Ihrig, Emil, Sybil Ihrig, Martin S. Matthews, and Carole Boggs Matthews. CorelDRAW 2: Made Easy. Berkeley: Osborne McGraw-Hill, 1991.
MLA (9th ed.) Citation
Ihrig, Emil, et al. CorelDRAW 2: Made Easy. Osborne McGraw-Hill, 1991.
Warning: These citations may not always be 100% accurate.