Cita APA (7a ed.)

Crowell Jr., T. L. (1961). Modern spoken english: An advanced practice book. McGraw-Hill.

Cita Chicago Style (17a ed.)

Crowell Jr., Thomas Lee. Modern Spoken English: An Advanced Practice Book. New York: McGraw-Hill, 1961.

Cita MLA (8a ed.)

Crowell Jr., Thomas Lee. Modern Spoken English: An Advanced Practice Book. McGraw-Hill, 1961.