APA (7th ed.) Citation

Ettlich, W. F. (1977). Transport of sewage sludge. Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory.

Chicago Style (17th ed.) Citation

Ettlich, William F. Transport of Sewage Sludge. Cincinnati, Ohio: Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory, 1977.

MLA (9th ed.) Citation

Ettlich, William F. Transport of Sewage Sludge. Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory, 1977.