Frieden, L. v. (1969). Mushrooms of the world (American edition.). [Bobbs-Merrill].
Chicago Style (17th ed.) CitationFrieden, Lucius von. Mushrooms of the World. American edition. [Indianapolis]: [Bobbs-Merrill], 1969.
MLA (9th ed.) CitationFrieden, Lucius von. Mushrooms of the World. American edition. [Bobbs-Merrill], 1969.
Warning: These citations may not always be 100% accurate.