APA (7th ed.) Citation

Griffith, C. J., Landin, E., & Jostad, K. (1971). EP--the new conservation. Izaak Walton League of America.

Chicago Style (17th ed.) Citation

Griffith, Charles J., Edward Landin, and Karen Jostad. EP--the New Conservation. Arlington, Va.: Izaak Walton League of America, 1971.

MLA (9th ed.) Citation

Griffith, Charles J., et al. EP--the New Conservation. Izaak Walton League of America, 1971.