APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

Upozorenje: Ovi citati možda nisu uvijek 100% točni.