Cita APA

Lee Crowell, T. (1961). Modern english workbook. New York: McGraw-Hill Book Company.

Citación estilo Chicago

Lee Crowell, Thomas. Modern English Workbook. New York: McGraw-Hill Book Company, 1961.

Cita MLA

Lee Crowell, Thomas. Modern English Workbook. New York: McGraw-Hill Book Company, 1961.