APA citiranje

Higgins, W., & Alrich, P. (2011). Orchid genera lectotypess.

Citación estilo Chicago

Higgins, Wesley, y Peggy Alrich. Orchid Genera Lectotypess. 2011.

MLA citiranje

Higgins, Wesley, y Peggy Alrich. Orchid Genera Lectotypess. 2011.

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