Gleason, H. A., & Cronquist, A. (1963). Manual of vascular plants of northeaster United States and adjacent Canada. D. Van Nostrand Company, Inc.
Citazione stile Chigago Style (17a edizione)Gleason, Henry A., e Arthur Cronquist. Manual of Vascular Plants of Northeaster United States and Adjacent Canada. New Jersey: D. Van Nostrand Company, Inc, 1963.
Citatione MLA (9a ed.)Gleason, Henry A., e Arthur Cronquist. Manual of Vascular Plants of Northeaster United States and Adjacent Canada. D. Van Nostrand Company, Inc, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.