Cita APA (7th ed.)
Paddock, J. Vegetation and man in the Basin of Mexico.
Cita Chicago (17th ed.)
Paddock, John. Vegetation and Man in the Basin of Mexico.
Cita MLA (9th ed.)
Paddock, John. Vegetation and Man in the Basin of Mexico.
Atenció: Aquestes cites poden no estar 100% correctes.