APA Edition Citation

Sharma, O. P. (2006). Pteridophyta (2nd ed.). Macmillan India Ltd.

Chicago Edition Citation

Sharma, O. P. Pteridophyta. 2nd ed. New Delhi: Macmillan India Ltd, 2006.

MLA Edition Citation

Sharma, O. P. Pteridophyta. 2nd ed. Macmillan India Ltd, 2006.

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