Cita APA (7a ed.)
Wren, P., Martin H, & Rao, N. (2007). Highe school english grammar & composition. S. Chand.
Cita Chicago Style (17a ed.)
Wren, P.C, Martin H, y N.V.D.Prasada Rao. Highe School English Grammar & Composition. New Delhi: S. Chand, 2007.
Cita MLA (9a ed.)
Wren, P.C, et al. Highe School English Grammar & Composition. S. Chand, 2007.
Precaución: Estas citas no son 100% exactas.