Cita APA

(1979). Soil map of the world 1:5000000; N.9: Southeast Asia. Paris: Unesco.

Citación estilo Chicago

Soil Map of the World 1:5000000; N.9: Southeast Asia. Paris: Unesco, 1979.

Cita MLA

Soil Map of the World 1:5000000; N.9: Southeast Asia. Paris: Unesco, 1979.