APA citiranje

Spencer, P. W., & Trrus, J. S. (1973). Apple Leaf Senescence: Leaf Disc Compared to Attached Leaf. Plant Physiol.

Citação norma Chicago

Spencer, Patricia W., and John S. Trrus. "Apple Leaf Senescence: Leaf Disc Compared to Attached Leaf." Plant Physiol 1973.

MLA citiranje

Spencer, Patricia W., and John S. Trrus. "Apple Leaf Senescence: Leaf Disc Compared to Attached Leaf." Plant Physiol 1973.