APA-Zitierstil (7. Ausg.)

Dietrich, W., & Wagner, W. L. (1988). Systematics of Oenothera, section Oenothera, subsection Raimannia, and subsection Nutantigemma (Onagraceae). American Soc. of Plant Taxonomists.

Chicago-Zitierstil (17. Ausg.)

Dietrich, Werner, und Warren L. Wagner. Systematics of Oenothera, Section Oenothera, Subsection Raimannia, and Subsection Nutantigemma (Onagraceae). Ann Arbor, Mich: American Soc. of Plant Taxonomists, 1988.

MLA-Zitierstil (9. Ausg.)

Dietrich, Werner, und Warren L. Wagner. Systematics of Oenothera, Section Oenothera, Subsection Raimannia, and Subsection Nutantigemma (Onagraceae). American Soc. of Plant Taxonomists, 1988.