Cita APA (7a ed.)

International Institute for Applied Systems Analysis & Levien, R. E. (1981). Draft research plan 1982-1986. International Institute for Applied Systems Analysis.

Cita Chicago Style (17a ed.)

International Institute for Applied Systems Analysis y Roger Eli Levien. Draft Research Plan 1982-1986. Laxenburg: International Institute for Applied Systems Analysis, 1981.

Cita MLA (9a ed.)

International Institute for Applied Systems Analysis y Roger Eli Levien. Draft Research Plan 1982-1986. International Institute for Applied Systems Analysis, 1981.