Citazione Stile APA (7a Edizione)
Morley, T. (1969). Spring flora of Minnesota: Including common cultivated plants. Dept. of Botany, University of Minnesota.
Citazione stile Chigago Style (17a edizione)
Morley, Thomas. Spring Flora of Minnesota: Including Common Cultivated Plants. Minneapolis: Dept. of Botany, University of Minnesota, 1969.
Citatione MLA (9a ed.)
Morley, Thomas. Spring Flora of Minnesota: Including Common Cultivated Plants. Dept. of Botany, University of Minnesota, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.