Lellinger, D. B. (1989). Psilotaceae through Dicksoniaceae. Pte. 1. Washington: American Fern Society.
Chicago Style CitationLellinger, David B. Psilotaceae Through Dicksoniaceae. Pte. 1. Washington: American Fern Society, 1989.
MLA CitationLellinger, David B. Psilotaceae Through Dicksoniaceae. Pte. 1. Washington: American Fern Society, 1989.
Warning: These citations may not always be 100% accurate.