APA (7th ed.) Citation

Harper, R. (1968). Odour description and odour classification: A multidisciplinary examination. American Elsevier.

Chicago Style (17th ed.) Citation

Harper, Roland. Odour Description and Odour Classification: A Multidisciplinary Examination. New York: American Elsevier, 1968.

MLA (9th ed.) Citation

Harper, Roland. Odour Description and Odour Classification: A Multidisciplinary Examination. American Elsevier, 1968.