APA Edition Citation

Wren, Martin, & Rao, N. P. .. (2010). Key to regular and multicolour editions of high school english grammar and composition. S.Chand.

Chicago Edition Citation

Wren, Martin, and N.D.V. Prasada .,rev.by Rao. Key to Regular and Multicolour Editions of High School English Grammar and Composition. New Delhi: S.Chand, 2010.

MLA Edition Citation

Wren, et al. Key to Regular and Multicolour Editions of High School English Grammar and Composition. S.Chand, 2010.