APA (7th ed.) Citation

Demuynck, M., Nyns, E. J., & Palz, W. (1984). Biogas plants in Europe: A practical handbook. D. Reidel.

Chicago Style (17th ed.) Citation

Demuynck, M., E. J. Nyns, and Wolfgang Palz. Biogas Plants in Europe: A Practical Handbook. Dordrecht: D. Reidel, 1984.

MLA (9th ed.) Citation

Demuynck, M., et al. Biogas Plants in Europe: A Practical Handbook. D. Reidel, 1984.