APA

Skottsberg C., . (1947). Peperomia berteroana Miq. and P. tristanensis Christoph., an interesting case of disjunction / C. Skottsberg. Göteborg: Elanders Boktryckeri Aktiebolag.

Chicago

Skottsberg Carl, . 1947. Peperomia berteroana Miq. and P. tristanensis Christoph., an interesting case of disjunction / C. Skottsberg. Göteborg: Elanders Boktryckeri Aktiebolag.

Harvard

Skottsberg C., . (1947). Peperomia berteroana Miq. and P. tristanensis Christoph., an interesting case of disjunction / C. Skottsberg. Göteborg: Elanders Boktryckeri Aktiebolag.

MLA

Skottsberg Carl, . Peperomia berteroana Miq. and P. tristanensis Christoph., an interesting case of disjunction / C. Skottsberg. Göteborg: Elanders Boktryckeri Aktiebolag. 1947.