APA Citation

De, K. A text book on astronomy. Calcutta: P.C.Bhowal.

Chicago Style Citation

De, K.K. A Text Book On Astronomy. Calcutta: P.C.Bhowal.

MLA Citation

De, K.K. A Text Book On Astronomy. Calcutta: P.C.Bhowal.

Warning: These citations may not always be 100% accurate.