Cita APA (7a ed.)

Collier, G. (1963). Form, space, and vision: Discovering design through drawing (4th print.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Collier, Graham. Form, Space, and Vision: Discovering Design Through Drawing. 4th print. Englewood Clifs, N.J: Prentice-Hall, 1963.

Cita MLA (9a ed.)

Collier, Graham. Form, Space, and Vision: Discovering Design Through Drawing. 4th print. Prentice-Hall, 1963.