APA (7th ed.) Citation

Helfand, L. (2016). The industrial revolution. Campfire/Kalyani Navyug Media Pvt Ltd.

Chicago Style (17th ed.) Citation

Helfand, Lewis. The Industrial Revolution. New Delhi, India: Campfire/Kalyani Navyug Media Pvt Ltd, 2016.

MLA (8th ed.) Citation

Helfand, Lewis. The Industrial Revolution. Campfire/Kalyani Navyug Media Pvt Ltd, 2016.

Warning: These citations may not always be 100% accurate.