APA Citation

Das, K. (1969). Outlines of biology (7th ed.). Calcutta: Central Book Agency.

Chicago Style Citation

Das, K.S. Outlines of Biology. 7th ed. Calcutta: Central Book Agency, 1969.

MLA Citation

Das, K.S. Outlines of Biology. 7th ed. Calcutta: Central Book Agency, 1969.

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