APA Style
Pfeiffer, L.
(1874).
Nomenclator botanicus, volume II
.
Cassellis:
Sumptibus Theodori Fischeri.
MLA Style
Pfeiffer, Ludovicus.
"Nomenclator botanicus, volume II".
Cassellis:
Sumptibus Theodori Fischeri,
1874.
Digital.