dkk, R. F. S. (1968). AN EVOLUTIONARY SURVEY OF THE PLANT KINGDOM. Wadsworth.
Chicago Style (17th ed.) Citationdkk, Robert F. Scagel. AN EVOLUTIONARY SURVEY OF THE PLANT KINGDOM. Wadsworth, 1968.
MLA (8th ed.) Citationdkk, Robert F. Scagel. AN EVOLUTIONARY SURVEY OF THE PLANT KINGDOM. Wadsworth, 1968.
Warning: These citations may not always be 100% accurate.