APA Edition Citation

P D Sharma. (2013). Ecology and Environment (11th.). Meerut.

Chicago Edition Citation

P D Sharma. Ecology and Environment. 11th. Meerut, 2013.

MLA Edition Citation

P D Sharma. Ecology and Environment. 11th. Meerut, 2013.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.