APA (7th ed.) Citation

Hopkins, E. S., & Bean, E. L. (1966). Water purification control / Edward Scott Hopkins; Elwood L. Bean. Williams and Wilkins.

Chicago Style (17th ed.) Citation

Hopkins, Edward Scott, and Elwood L. Bean. Water Purification Control / Edward Scott Hopkins; Elwood L. Bean. Baltimore: Williams and Wilkins, 1966.

MLA (9th ed.) Citation

Hopkins, Edward Scott, and Elwood L. Bean. Water Purification Control / Edward Scott Hopkins; Elwood L. Bean. Williams and Wilkins, 1966.

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