Cita APA

Boer, H. d. (1998). Coffee cultivation in the watershed of the river Aranjuez.

Citación estilo Chicago

Boer, H. den. Coffee Cultivation in the Watershed of the River Aranjuez. 1998.

Cita MLA

Boer, H. den. Coffee Cultivation in the Watershed of the River Aranjuez. 1998.