APA Edition Citation

Thorpe, E., & Thorpe, S. (2020). General Studies for Civil Services Preliminary Examination Paper I: Volume IV: Geography and Environmental Ecology. Pearson.

Chicago Edition Citation

Thorpe, Edgar, and Showick Thorpe. General Studies for Civil Services Preliminary Examination Paper I: Volume IV: Geography and Environmental Ecology. Uttar Pradesh: Pearson, 2020.

MLA Edition Citation

Thorpe, Edgar, and Showick Thorpe. General Studies for Civil Services Preliminary Examination Paper I: Volume IV: Geography and Environmental Ecology. Pearson, 2020.