Cita APA (7th ed.)

(1994). IGBP in Action: Work Plan 1994 - 1998. International Geosphere-Biosphere Programme (IGBP).

Cita Chicago (17th ed.)

IGBP in Action: Work Plan 1994 - 1998. Stockholm: International Geosphere-Biosphere Programme (IGBP), 1994.

Cita MLA (9th ed.)

IGBP in Action: Work Plan 1994 - 1998. International Geosphere-Biosphere Programme (IGBP), 1994.

Atenció: Aquestes cites poden no estar 100% correctes.