Cita APA (7th ed.)

Goodspeed, T. H. (1939). Plant hunters in the Andes. Robert Hale Ltd.

Cita Chicago (17th ed.)

Goodspeed, T. Harper. Plant Hunters in the Andes. London, England, United Kingdom: Robert Hale Ltd, 1939.

Cita MLA (9th ed.)

Goodspeed, T. Harper. Plant Hunters in the Andes. Robert Hale Ltd, 1939.