Citação norma APA

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

Citação norma Chicago

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.

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.