APA (7th ed.) Citation

Mokyr, J. (1990). 25=Twenty five centuries of technological change: An historical survey. Harwood Academic Publishers.

Chicago Style (17th ed.) Citation

Mokyr, Joel. 25=Twenty Five Centuries of Technological Change: An Historical Survey. Chur: Harwood Academic Publishers, 1990.

MLA (9th ed.) Citation

Mokyr, Joel. 25=Twenty Five Centuries of Technological Change: An Historical Survey. Harwood Academic Publishers, 1990.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.