APA
Gray B., Gray B. 1. S. 2. S. t. f. a. &. g. d. & Gray B. 1. S. 2. M. s. t. f. a. a. g. d. (1996). Complete studio tips for artists & graphic designers. New York: W.W. Norton.
Chicago
Gray Bill, Gray Bill 1913 Sept 28 Studio tips for artists & graphic designers and Gray Bill 1913 Sept 28 More studio tips for artists and graphic designers. 1996. Complete studio tips for artists & graphic designers. New York: W.W. Norton.
Harvard
Gray B., Gray B. 1. S. 2. S. t. f. a. &. g. d. and Gray B. 1. S. 2. M. s. t. f. a. a. g. d. (1996). Complete studio tips for artists & graphic designers. New York: W.W. Norton.
MLA
Gray Bill, Gray Bill 1913 Sept 28 Studio tips for artists & graphic designers and Gray Bill 1913 Sept 28 More studio tips for artists and graphic designers. Complete studio tips for artists & graphic designers. New York: W.W. Norton. 1996.