Cita APA (7a ed.)

Martin, B., & Hanington, B. (2012). Universal methods of design: 100 ways to research complex problems, develop innovative ideas, and design effective solutions (1st edition.). Rockport Publishers.

Cita Chicago Style (17a ed.)

Martin, Bella, y Bruce Hanington. Universal Methods of Design: 100 Ways to Research Complex Problems, Develop Innovative Ideas, and Design Effective Solutions. 1st edition. Beverly, Mass.: Rockport Publishers, 2012.

Cita MLA (9a ed.)

Martin, Bella, y Bruce Hanington. Universal Methods of Design: 100 Ways to Research Complex Problems, Develop Innovative Ideas, and Design Effective Solutions. 1st edition. Rockport Publishers, 2012.