APA (7th ed.) Citation

Hansen, J., Therkelsen, H. H., & Buch-Hansen, P. (1978). Appraisal of four alternative excreta removal systems for urban areas in developing countries. Pergamon Press.

Chicago Style (17th ed.) Citation

Hansen, J.A, H. H. Therkelsen, and P. Buch-Hansen. Appraisal of Four Alternative Excreta Removal Systems for Urban Areas in Developing Countries. [Oxford]: Pergamon Press, 1978.

MLA (9th ed.) Citation

Hansen, J.A, et al. Appraisal of Four Alternative Excreta Removal Systems for Urban Areas in Developing Countries. Pergamon Press, 1978.

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