Fergus, C. L. (1960). Some common edible and poisonous mushrooms of Pensylvania. [Pennsylvania]: [The Pennsylvania State University, College of Agriculture].
Chicago Style CitationFergus, Charles L. Some Common Edible and Poisonous Mushrooms of Pensylvania. [Pennsylvania]: [The Pennsylvania State University, College of Agriculture], 1960.
MLA CitationFergus, Charles L. Some Common Edible and Poisonous Mushrooms of Pensylvania. [Pennsylvania]: [The Pennsylvania State University, College of Agriculture], 1960.
Warning: These citations may not always be 100% accurate.