Cita APA

Langan, J. (2002). Reading and study skills (7th ed.). Boston: McGraw-Hill.

Citación estilo Chicago

Langan, John. Reading and Study Skills. 7th ed. Boston: McGraw-Hill, 2002.

Cita MLA

Langan, John. Reading and Study Skills. 7th ed. Boston: McGraw-Hill, 2002.