APA (7th ed.) Citation

Freeman, C., & Pyle, L. (1977). Methane generation by anaerobic fermentation: An annotated bibliography : a critical review of the literature with particular reference to small-scale and rural applications. Intermediate Technology Publications.

Chicago Style (17th ed.) Citation

Freeman, Christina, and Leo Pyle. Methane Generation by Anaerobic Fermentation: An Annotated Bibliography : A Critical Review of the Literature with Particular Reference to Small-scale and Rural Applications. London: Intermediate Technology Publications, 1977.

MLA (9th ed.) Citation

Freeman, Christina, and Leo Pyle. Methane Generation by Anaerobic Fermentation: An Annotated Bibliography : A Critical Review of the Literature with Particular Reference to Small-scale and Rural Applications. Intermediate Technology Publications, 1977.