APA (7th ed.) Citation

Cross, W. C. a. F. L. Operation and maintenance of sewage treatment plants. Technomics Publishing.

Chicago Style (17th ed.) Citation

Cross, William Cameran and Frank L. Operation and Maintenance of Sewage Treatment Plants. Technomics Publishing.

MLA (8th ed.) Citation

Cross, William Cameran and Frank L. Operation and Maintenance of Sewage Treatment Plants. Technomics Publishing.

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