Cita APA (7a ed.)

Langan, J. (2014). College writing skills with readings 9th ed. McGraw-Hill.

Cita Chicago Style (17a ed.)

Langan, John. College Writing Skills with Readings 9th Ed. McGraw-Hill, 2014.

Cita MLA (8a ed.)

Langan, John. College Writing Skills with Readings 9th Ed. McGraw-Hill, 2014.