APA (7th ed.) Citation
Patra, M. N., & Singha, R. K. (2013). Basic environmental engineering and elementary biology. Aryan Publishing House.
Chicago Style (17th ed.) Citation
Patra, Monindra Nath, and Rahul Kumar Singha. Basic Environmental Engineering and Elementary Biology. Kolkata: Aryan Publishing House, 2013.
MLA (9th ed.) Citation
Patra, Monindra Nath, and Rahul Kumar Singha. Basic Environmental Engineering and Elementary Biology. Aryan Publishing House, 2013.
Warning: These citations may not always be 100% accurate.