APA استشهاد

Nielsen, E. S. (1975). Marine photosynthesis with special emphasis on the ecological aspects.

استشهاد بنمط شيكاغو

Nielsen, E Steemann. Marine Photosynthesis with Special Emphasis on the Ecological Aspects. Elsevier Scientific Publishing Co., New York, 1975.

MLA استشهاد

Nielsen, E Steemann. Marine Photosynthesis with Special Emphasis on the Ecological Aspects. 1975.