Cita APA (7a ed.)

Geologists' Association & Geological Society of London. (1985). Geology today. J. Wiley.

Cita Chicago Style (17a ed.)

Geologists' Association y Geological Society of London. Geology Today. [Oxford]: J. Wiley, 1985.

Cita MLA (8a ed.)

Geologists' Association y Geological Society of London. Geology Today. J. Wiley, 1985.