Cita APA

Crisp, R. D. (1974). English for today: : book two. The world we live in. New York: McGraw-Hill.

Citación estilo Chicago

Crisp, Raymond D. English for Today: : Book Two. The World We Live in. New York: McGraw-Hill, 1974.

Cita MLA

Crisp, Raymond D. English for Today: : Book Two. The World We Live in. New York: McGraw-Hill, 1974.