APA (7th ed.) Citation

Fletcher, A., Forbes, C., & Gill, B. (1963). Graphic design: Visual comparisons. Studio Books.

Chicago Style (17th ed.) Citation

Fletcher, Alan, Colin Forbes, and Bob Gill. Graphic Design: Visual Comparisons. Londres: Studio Books, 1963.

MLA (9th ed.) Citation

Fletcher, Alan, et al. Graphic Design: Visual Comparisons. Studio Books, 1963.