APA način citiranja (7. izdanje)
Valderrama, J. C. (1987). Results of a five year survey of the distribution of urea in the Baltic Sea. SMHI Oceanograph. Laboratory.
Čikaški stil citiranja (17. izdanje)
Valderrama, Jorge C. Results of a Five Year Survey of the Distribution of Urea in the Baltic Sea. Göteborg: SMHI Oceanograph. Laboratory, 1987.
MLA način citiranja (9. izdanje)
Valderrama, Jorge C. Results of a Five Year Survey of the Distribution of Urea in the Baltic Sea. SMHI Oceanograph. Laboratory, 1987.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.