APA citiranje

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

Citación estilo Chicago

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

MLA citiranje

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

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