Cita APA (7a ed.)
(1985). Geology today. [Blackwell Scientific Publications].
Cita Chicago Style (17a ed.)
Geology Today. [Oxford, England]: [Blackwell Scientific Publications], 1985.
Cita MLA (9a ed.)
Geology Today. [Blackwell Scientific Publications], 1985.
Precaución: Estas citas no son 100% exactas.