APA (7th ed.) Citation

Sharma, O. P. (2012). Pteridophyta (2nd ed.). McGraw Hill Education (India).

Chicago Style (17th ed.) Citation

Sharma, O. P. Pteridophyta. 2nd ed. New Delhi: McGraw Hill Education (India), 2012.

MLA (9th ed.) Citation

Sharma, O. P. Pteridophyta. 2nd ed. McGraw Hill Education (India), 2012.

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