Cita APA (7a ed.)

Hochleitner, R. (2019). The Firefly guide to minerals, rocks & gems. Firefly Books Ltd..

Cita Chicago Style (17a ed.)

Hochleitner, Rupert. The Firefly Guide to Minerals, Rocks & Gems. Richmond Hill, Ontario: Firefly Books Ltd., 2019.

Cita MLA (8a ed.)

Hochleitner, Rupert. The Firefly Guide to Minerals, Rocks & Gems. Firefly Books Ltd., 2019.

Precaución: Estas citas no son 100% exactas.