APA (7th ed.) Citation

Butler, I. (1977). Maintaining a balanced ecosystem. Chemistry & Industry, 564.

Chicago Style (17th ed.) Citation

Butler, I. "Maintaining a Balanced Ecosystem." Chemistry & Industry 1977: 564.

MLA (9th ed.) Citation

Butler, I. "Maintaining a Balanced Ecosystem." Chemistry & Industry, 1977, p. 564.

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