APA (7th ed.) Citation

Beck, D., Kreuter, T., & Pickert, H. Combined microbial processes of sewage purification and product recovery.

Chicago Style (17th ed.) Citation

Beck, D., Th Kreuter, and H. Pickert. Combined Microbial Processes of Sewage Purification and Product Recovery.

MLA (9th ed.) Citation

Beck, D., et al. Combined Microbial Processes of Sewage Purification and Product Recovery.

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