Citação norma APA

Saxena, y. (2004). Environment explained: Meaning and definitions of terms and themes. Excel.

Citação norma Chicago

Saxena, y. Environment Explained: Meaning and Definitions of Terms and Themes. New Delhi: Excel, 2004.

Citação norma MLA

Saxena, y. Environment Explained: Meaning and Definitions of Terms and Themes. Excel, 2004.

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