Typography sketchbooks.

MLA

Heller, Steven, and Lita Talarico. Typography Sketchbooks. London: Thames and Hudson, 2011.

APA

Heller, S., & Talarico, L. (2011). Typography sketchbooks. London: Thames and Hudson.

Chicago

Heller, Steven, and Lita Talarico. Typography Sketchbooks. London: Thames and Hudson, 2011.