APA (7th ed.) Citation

Gopal, B. (1987). Water hyacinth. Elsevier.

Chicago Style (17th ed.) Citation

Gopal, Brij. Water Hyacinth. Amsterdam: Elsevier, 1987.

MLA (9th ed.) Citation

Gopal, Brij. Water Hyacinth. Elsevier, 1987.

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