APA Citation

Postal, T. a. T. I. I. C. C. (1977). IX Inter-American Congress. San José, C.R.: Trejos.

Chicago Style Citation

Postal, Telegraph and Telephone International Inter-American Congress Caracas). IX Inter-American Congress. San José, C.R.: Trejos, 1977.

MLA Citation

Postal, Telegraph and Telephone International Inter-American Congress Caracas). IX Inter-American Congress. San José, C.R.: Trejos, 1977.

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