APA
RASID A., .AN INTRODUCTION TO PTERIDOPHYLA. NEW DELHI: VIKASH PUBLISHING HOUSE.
Chicago
RASID A, .AN INTRODUCTION TO PTERIDOPHYLA. NEW DELHI: VIKASH PUBLISHING HOUSE.
Harvard
RASID A., .AN INTRODUCTION TO PTERIDOPHYLA. NEW DELHI: VIKASH PUBLISHING HOUSE.
MLA
RASID A, .NEW DELHI: VIKASH PUBLISHING HOUSE. .
