APA Style

Kern, J, H. (1937). Florae malesianae precursores xvii notes on Malaysian and some S.E. Asian cyperaceae v . Leiden: Eduard Ijdo N.V..

MLA Style

Kern, J., H.. "Florae malesianae precursores xvii notes on Malaysian and some S.E. Asian cyperaceae v". Leiden: Eduard Ijdo N.V., 1937. Text.