Cita APA (7a ed.)
Langan, J. (1998). Sentence skills: A workbook for writers : form A (6th ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
Langan, John. Sentence Skills: A Workbook for Writers : Form A. 6th ed. Boston: McGraw-Hill, 1998.
Cita MLA (9a ed.)
Langan, John. Sentence Skills: A Workbook for Writers : Form A. 6th ed. McGraw-Hill, 1998.
Precaución: Estas citas no son 100% exactas.