Cita APA (7a ed.)

Osmond, A. (2016). Academic writing and grammar for students (2nd edition.). Sage.

Cita Chicago Style (17a ed.)

Osmond, Alex. Academic Writing and Grammar for Students. 2nd edition. Los Angeles: Sage, 2016.

Cita MLA (9a ed.)

Osmond, Alex. Academic Writing and Grammar for Students. 2nd edition. Sage, 2016.