APA način citiranja (7. izdanje)

Howarth, N., Howarth, N., & Clark, G. (2012). The political economy of technological change, energy and climate change.

Čikaški stil citiranja (17. izdanje)

Howarth, N., Nicholas Howarth, i G. Clark. The Political Economy of Technological Change, Energy and Climate Change. 2012.

MLA način citiranja (9. izdanje)

Howarth, N., et al. The Political Economy of Technological Change, Energy and Climate Change. 2012.