Cita APA (7th ed.)

(1992). Shapes + patterns: A self-guided tour for children and their families : suggested for ages 4 to 8 : approximate time 45 minutes / National Gallery of Art.

Cita Chicago (17th ed.)

Shapes + Patterns: A Self-guided Tour for Children and Their Families : Suggested for Ages 4 to 8 : Approximate Time 45 Minutes / National Gallery of Art. 1992.

Cita MLA (9th ed.)

Shapes + Patterns: A Self-guided Tour for Children and Their Families : Suggested for Ages 4 to 8 : Approximate Time 45 Minutes / National Gallery of Art. 1992.