APA (7th ed.) Citation

Valli, M., & Ibarra, A. Walk the line: The art of drawing.

Chicago Style (17th ed.) Citation

Valli, Marc, and Ana Ibarra. Walk the Line: The Art of Drawing.

MLA (8th ed.) Citation

Valli, Marc, and Ana Ibarra. Walk the Line: The Art of Drawing.

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