APA
Hill A. F., . (1978). Economic botany. Delhi: Tata MacGraw-Hill.
Chicago
Hill A F, . 1978. Economic botany. Delhi: Tata MacGraw-Hill.
Harvard
Hill A. F., . (1978). Economic botany. Delhi: Tata MacGraw-Hill.
MLA
Hill A F, . Economic botany. Delhi: Tata MacGraw-Hill. 1978.