Cita APA (7th ed.)

Smil, V. (2016). Still the Iron Age: Iron and steel in the modern world. Elsevier/Butterworth-Heinemann. https://doi.org/10.1016/C2014-0-04576-5

Cita Chicago (17th ed.)

Smil, Vaclav. Still the Iron Age: Iron and Steel in the Modern World. Amsterdam: Elsevier/Butterworth-Heinemann, 2016. https://doi.org/10.1016/C2014-0-04576-5.

Cita MLA (9th ed.)

Smil, Vaclav. Still the Iron Age: Iron and Steel in the Modern World. Elsevier/Butterworth-Heinemann, 2016. https://doi.org/10.1016/C2014-0-04576-5.