APA Citation

De. S. (1971). Outlines of astronomy. Calcutta: New Sarat Prakasan.

Chicago Style Citation

De. S. Outlines of Astronomy. Calcutta: New Sarat Prakasan, 1971.

MLA Citation

De. S. Outlines of Astronomy. Calcutta: New Sarat Prakasan, 1971.

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