APA (7th ed.) Citation

Intermediate Technology Development Group, Pyle, L., & Fraenkel, P. (1975). Methane: Proceedings of a one-day seminar. Intermediate Technology Publications.

Chicago Style (17th ed.) Citation

Intermediate Technology Development Group, Leo Pyle, and Peter Fraenkel. Methane: Proceedings of a One-day Seminar. London, England: Intermediate Technology Publications, 1975.

MLA (9th ed.) Citation

Intermediate Technology Development Group, et al. Methane: Proceedings of a One-day Seminar. Intermediate Technology Publications, 1975.

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