Five hundredth anniversary of the encounter between two worlds
appeal by Mr. Federico Mayor, Director-General of Unesco. Paris, 13 March 1989.

APA Citation

Mayor, F., Unesco. (1989). Five hundredth anniversary of the encounter between two worlds: appeal by Mr. Federico Mayor, Director-General of Unesco. Paris, 13 March 1989. [Paris?]: Unesco.

MLA Citation

Mayor, Federico, and Unesco. Five Hundredth Anniversary of the Encounter Between Two Worlds: Appeal by Mr. Federico Mayor, Director-General of Unesco. Paris, 13 March 1989. [Paris?]: Unesco, 1989.

Warning: These citations may not always be complete (especially for serials).