APA Edition Citation

Hill, J. B., & Popp, H. W. (1967). Botany a text book for colleges (4.). Mc Graw Hill Book company.

Chicago Edition Citation

Hill, J B., and H W. Popp. Botany a Text Book for Colleges. 4. NewYork: Mc Graw Hill Book company, 1967.

MLA Edition Citation

Hill, J B., and H W. Popp. Botany a Text Book for Colleges. 4. Mc Graw Hill Book company, 1967.