Cita APA (7th ed.)

Environmental Protection Agency. (1991). INFOTERRA. Information Sharing Branch, Information Management and Services Division, U.S. EPA.

Cita Chicago (17th ed.)

Environmental Protection Agency. INFOTERRA. Washington, D.C: Information Sharing Branch, Information Management and Services Division, U.S. EPA, 1991.

Cita MLA (9th ed.)

Environmental Protection Agency. INFOTERRA. Information Sharing Branch, Information Management and Services Division, U.S. EPA, 1991.