APA ציטוט

Ruhland, W. (1965). Encyclopedia of plant physiology V.15. Springer Verlag.

Chicago Edition Citation

Ruhland, W. Encyclopedia of Plant Physiology V.15. New York: Springer Verlag, 1965.

ציטוט MLA

Ruhland, W. Encyclopedia of Plant Physiology V.15. Springer Verlag, 1965.