APA-Zitierstil (7. Ausg.)

Smith, J. F. (1994). Systematics of Columnea section Pentadenia and section Stygnanthe (Gesneriaceae). American Soc. of Plant Taxonomists.

Chicago-Zitierstil (17. Ausg.)

Smith, James F. Systematics of Columnea Section Pentadenia and Section Stygnanthe (Gesneriaceae). Ann Arbor, Mich: American Soc. of Plant Taxonomists, 1994.

MLA-Zitierstil (9. Ausg.)

Smith, James F. Systematics of Columnea Section Pentadenia and Section Stygnanthe (Gesneriaceae). American Soc. of Plant Taxonomists, 1994.