Gaya APA

al., E. et al (2008,2012). The Identification Of Fungi: An Illustrated Introduction With Keys, Glossary, And Guide To Literature . USA : The American Phytopathological Society.

Gaya MLA

al., Et. et al. "The Identification Of Fungi: An Illustrated Introduction With Keys, Glossary, And Guide To Literature". USA : The American Phytopathological Society, 2008,2012. Text.