Demuynck, M., Nyns, E. J., & Palz, W. (1984). Biogas plants in Europe: A practical handbook. D. Reidel.
Chicago Style (17th ed.) CitationDemuynck, M., E. J. Nyns, and Wolfgang Palz. Biogas Plants in Europe: A Practical Handbook. Dordrecht: D. Reidel, 1984.
MLA (9th ed.) CitationDemuynck, M., et al. Biogas Plants in Europe: A Practical Handbook. D. Reidel, 1984.
Warning: These citations may not always be 100% accurate.