Cita APA (7a ed.)

Laufer, B. (1938). The Américan plant migration. Field museum of natural history.

Cita Chicago Style (17a ed.)

Laufer, Berthold. The Américan Plant Migration. Chicago: Field museum of natural history, 1938.

Cita MLA (8a ed.)

Laufer, Berthold. The Américan Plant Migration. Field museum of natural history, 1938.