APA (7th ed.) Citation

International Conference on Permafrost Jakutsk. (1973). Permafrost: North American contribution, second international conference, 13-28 July 1973, Yakutsk, USSR. National Academy of Sciences.

Chicago Style (17th ed.) Citation

International Conference on Permafrost Jakutsk. Permafrost: North American Contribution, Second International Conference, 13-28 July 1973, Yakutsk, USSR. Washington, D.C: National Academy of Sciences, 1973.

MLA (9th ed.) Citation

International Conference on Permafrost Jakutsk. Permafrost: North American Contribution, Second International Conference, 13-28 July 1973, Yakutsk, USSR. National Academy of Sciences, 1973.