APA (7th ed.) Citation

(1970). Congreso Mundial de Orientacion. [editor no identificat].

Chicago Style (17th ed.) Citation

Congreso Mundial De Orientacion. México: [editor no identificat], 1970.

MLA (9th ed.) Citation

Congreso Mundial De Orientacion. [editor no identificat], 1970.

Warning: These citations may not always be 100% accurate.