Cita APA (7a ed.)

Morris, C. W. (1955). Signs, language and behavior. George Braziller, Inc.

Cita Chicago Style (17a ed.)

Morris, Charles W. Signs, Language and Behavior. New York: George Braziller, Inc, 1955.

Cita MLA (9a ed.)

Morris, Charles W. Signs, Language and Behavior. George Braziller, Inc, 1955.