APA (7th ed.) Citation

Howard, J., Lloyd, B., & Webber, D. (1975). Oxfam's sanitation unit: The design and testing of a sanitation and sewage treatment unit for disasters and long term use (2nd ed.). [Oxfam].

Chicago Style (17th ed.) Citation

Howard, J., B. Lloyd, and D. Webber. Oxfam's Sanitation Unit: The Design and Testing of a Sanitation and Sewage Treatment Unit for Disasters and Long Term Use. 2nd ed. Oxford: [Oxfam], 1975.

MLA (8th ed.) Citation

Howard, J., et al. Oxfam's Sanitation Unit: The Design and Testing of a Sanitation and Sewage Treatment Unit for Disasters and Long Term Use. 2nd ed. [Oxfam], 1975.