APA引文

International Geographical Congress New Delhi, India. (1968). Congress & ICA programme.

Chicago Style (17th ed.) Citation

International Geographical Congress New Delhi, India. Congress & ICA Programme. New Delhi, 1968.

MLA引文

International Geographical Congress New Delhi, India. Congress & ICA Programme. 1968.

警告：這些引文格式不一定是100％准確.