APA Style

Shiva, L., Loyola, L. (2023). Environment , Ecology & biodiversity for UPSC & state civil services Examination (1 st ed, 2023). India: D Book Media.

MLA Style

Shiva, Lgnatius., Loyola, Lgnatius. "Environment , Ecology & biodiversity for UPSC & state civil services Examination". 1 st ed, 2023 India: D Book Media, 2023. Text.