Cita APA (7th ed.)
Crews, A. (1944). The Houghton Mifflin radio broadcasting series. Mifflin.
Cita Chicago (17th ed.)
Crews, Albert. The Houghton Mifflin Radio Broadcasting Series. Boston [usw.]: Mifflin, 1944.
Cita MLA (9th ed.)
Crews, Albert. The Houghton Mifflin Radio Broadcasting Series. Mifflin, 1944.
Atenció: Aquestes cites poden no estar 100% correctes.