APA ציטוט

United States. Environmental Protection Agency. Office of Research and Development & United States. Environmental Protection Agency. Office of Research and Monitoring. Ecological research series. Office of Research and Development, Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Office of Research and Development and United States. Environmental Protection Agency. Office of Research and Monitoring. Ecological Research Series. [Washington]: Office of Research and Development, Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.

ציטוט MLA

United States. Environmental Protection Agency. Office of Research and Development and United States. Environmental Protection Agency. Office of Research and Monitoring. Ecological Research Series. Office of Research and Development, Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.