Cita APA (7th ed.)

Stafford, B. M. (2007). Echo objects: The cognitive work of images. Univ. of Chicago Press.

Cita Chicago (17th ed.)

Stafford, Barbara Maria. Echo Objects: The Cognitive Work of Images. Chicago, Ill. [u.a.]: Univ. of Chicago Press, 2007.

Cita MLA (8th ed.)

Stafford, Barbara Maria. Echo Objects: The Cognitive Work of Images. Univ. of Chicago Press, 2007.