APA Edition Citation

SHARMA, O. P. (2017). PTERIDOPHYTA. TATA Mc Graw Hill.

Chicago Edition Citation

SHARMA, O P. PTERIDOPHYTA. New Delhi: TATA Mc Graw Hill, 2017.

MLA Edition Citation

SHARMA, O P. PTERIDOPHYTA. TATA Mc Graw Hill, 2017.

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