APA (7th ed.) Citation

Wales, R. W., & McGirr, D. J. (1973). Chromium, iron, molybdenum and vanadium. Inland Waters Directorate.

Chicago Style (17th ed.) Citation

Wales, R. W., and D. J. McGirr. Chromium, Iron, Molybdenum and Vanadium. Burlington, Ont.: Inland Waters Directorate, 1973.

MLA (9th ed.) Citation

Wales, R. W., and D. J. McGirr. Chromium, Iron, Molybdenum and Vanadium. Inland Waters Directorate, 1973.