Cita APA (7th ed.)
The National Council of Teachers of English. (1962). The world we live in. McGraw-Hill Book Company.
Cita Chicago (17th ed.)
The National Council of Teachers of English. The World We Live in. New York: McGraw-Hill Book Company, 1962.
Cita MLA (9th ed.)
The National Council of Teachers of English. The World We Live in. McGraw-Hill Book Company, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.