Cita APA (7a ed.)

Congreso Geográfico Internacional. (1992). Plenary sessions, symposia and sponsored sessions: Geography is discovery : 27th International Geographical Congres. [s.n.].

Cita Chicago Style (17a ed.)

Congreso Geográfico Internacional. Plenary Sessions, Symposia and Sponsored Sessions: Geography Is Discovery : 27th International Geographical Congres. Washington: [s.n.], 1992.

Cita MLA (9a ed.)

Congreso Geográfico Internacional. Plenary Sessions, Symposia and Sponsored Sessions: Geography Is Discovery : 27th International Geographical Congres. [s.n.], 1992.