Millman, D., & Ingoldby, J. (2008). The essential principles of graphic design / Debbie Millman. HOW Books.
Chicago Style (17th ed.) CitationMillman, Debbie, and Jonathan Ingoldby. The Essential Principles of Graphic Design / Debbie Millman. Cincinnati, Ohio: HOW Books, 2008.
MLA (9th ed.) CitationMillman, Debbie, and Jonathan Ingoldby. The Essential Principles of Graphic Design / Debbie Millman. HOW Books, 2008.
Warning: These citations may not always be 100% accurate.