Letcher, P. M., & Powell, M. J. A taxonomic summary of Aphelidiaceae. Pensoft Publishers.
Chicago Style (17th ed.) CitationLetcher, Peter M., and Martha J. Powell. A Taxonomic Summary of Aphelidiaceae. Pensoft Publishers.
MLA (9th ed.) CitationLetcher, Peter M., and Martha J. Powell. A Taxonomic Summary of Aphelidiaceae. Pensoft Publishers.
Warning: These citations may not always be 100% accurate.