APA način citiranja

Ossenbach, C., & Jenny, R. (2019). Rudolf Schlechter's South-American orchids I. Historical and bibliographical background.

Čikaški stil citiranja

Ossenbach, Carlos, i Rudolf Jenny. Rudolf Schlechter's South-American Orchids I. Historical and Bibliographical Background. 2019.

MLA način citiranja

Ossenbach, Carlos, i Rudolf Jenny. Rudolf Schlechter's South-American Orchids I. Historical and Bibliographical Background. 2019.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.