Böcher, T. W. (1983). The allotetraploid Saxifraga nathorsti and its probable progenitors S. aizoi des and S. oppositifolia. Nyt Nordisk Forl.
Chicago Style (17th ed.) CitationBöcher, Tyge W. The Allotetraploid Saxifraga Nathorsti and Its Probable Progenitors S. Aizoi Des and S. Oppositifolia. Copenhagen: Nyt Nordisk Forl, 1983.
MLA (9th ed.) CitationBöcher, Tyge W. The Allotetraploid Saxifraga Nathorsti and Its Probable Progenitors S. Aizoi Des and S. Oppositifolia. Nyt Nordisk Forl, 1983.
Warning: These citations may not always be 100% accurate.