Cita APA (7a ed.)
Stapert, D., & Johansen, L. Flint and pyrite: Making fire in the Stone Age.
Cita Chicago Style (17a ed.)
Stapert, Dick, y Lykke Johansen. Flint and Pyrite: Making Fire in the Stone Age.
Cita MLA (9a ed.)
Stapert, Dick, y Lykke Johansen. Flint and Pyrite: Making Fire in the Stone Age.
Precaución: Estas citas no son 100% exactas.