APA (7th ed.) Citation

IDEO (Firm) & Bill & Melinda Gates Foundation. (2011). Human-centered design toolkit (2nd ed.). IDEO.

Chicago Style (17th ed.) Citation

IDEO (Firm) and Bill & Melinda Gates Foundation. Human-centered Design Toolkit. 2nd ed. [S.l.]: IDEO, 2011.

MLA (9th ed.) Citation

IDEO (Firm) and Bill & Melinda Gates Foundation. Human-centered Design Toolkit. 2nd ed. IDEO, 2011.

Warning: These citations may not always be 100% accurate.