APA (7th ed.) Citation

Christensen, T. H., Cossu, R., & Stegmann, R. (1996). Landfilling of waste: Biogas. E & FN Spon.

Chicago Style (17th ed.) Citation

Christensen, Thomas H., R. Cossu, and R. Stegmann. Landfilling of Waste: Biogas. London: E & FN Spon, 1996.

MLA (9th ed.) Citation

Christensen, Thomas H., et al. Landfilling of Waste: Biogas. E & FN Spon, 1996.