Cita APA (7a ed.)

Holm-Hansen, O., & Helbling, E. W. (1993). Polyethylene bags and solar ultraviolet radiation. University of California. Institution of Oceanography.

Cita Chicago Style (17a ed.)

Holm-Hansen, O., y E Walter Helbling. Polyethylene Bags and Solar Ultraviolet Radiation. San Diego: University of California. Institution of Oceanography, 1993.

Cita MLA (8a ed.)

Holm-Hansen, O., y E Walter Helbling. Polyethylene Bags and Solar Ultraviolet Radiation. University of California. Institution of Oceanography, 1993.