Cita APA (7a ed.)

Stearn,William T. (1968). Humboldt, Bonpland, Kunth and Tropical american botany: A miscellany on the "Nova genera et species plantarum". j. Cramer.

Cita Chicago Style (17a ed.)

Stearn,William T. Humboldt, Bonpland, Kunth and Tropical American Botany: A Miscellany on the "Nova Genera Et Species Plantarum". Stuttgart -: j. Cramer, 1968.

Cita MLA (8a ed.)

Stearn,William T. Humboldt, Bonpland, Kunth and Tropical American Botany: A Miscellany on the "Nova Genera Et Species Plantarum". j. Cramer, 1968.