Cita APA (7th ed.)
Lee, D. H. K., Hewson, E. W., & Gurnham, C. F. (1970). Environmental Sciences: An interdisciplinary monograph series. Acad. Pr.
Cita Chicago (17th ed.)
Lee, Douglas Harry Kedgwin, Edgar Wendell Hewson, i C. Fred Gurnham. Environmental Sciences: An Interdisciplinary Monograph Series. New York, London: Acad. Pr, 1970.
Cita MLA (9th ed.)
Lee, Douglas Harry Kedgwin, et al. Environmental Sciences: An Interdisciplinary Monograph Series. Acad. Pr, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.