APA (7th ed.) Citation

Horan, N. J. (1990). Biological wastewater treatment systems : theory and operation / N. J. Horan: Theory and operation. Wiley.

Chicago Style (17th ed.) Citation

Horan, N. J. Biological Wastewater Treatment Systems : Theory and Operation / N. J. Horan: Theory and Operation. Chichester: Wiley, 1990.

MLA (9th ed.) Citation

Horan, N. J. Biological Wastewater Treatment Systems : Theory and Operation / N. J. Horan: Theory and Operation. Wiley, 1990.

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