Παραπομπή APA

MacFall, J. S., Johnson, G. A., & Kramer, P. J. (1990). Observation of a water-depletion region surrounding loblolly pine roots by magnetic resonance imaging.

Παραπομπή Chicago Style

MacFall, J S., G A. Johnson, και P J. Kramer. Observation of a Water-depletion Region Surrounding Loblolly Pine Roots By Magnetic Resonance Imaging. 1990.

Παραπομπή MLA

MacFall, J S., G A. Johnson, και P J. Kramer. Observation of a Water-depletion Region Surrounding Loblolly Pine Roots By Magnetic Resonance Imaging. 1990.

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