APA Citation

(2013). Gas & Oil Expo North America 2013: Official event guide. Canada: DMG Events (Canada) Inc..

Chicago Style Citation

Gas & Oil Expo North America 2013: Official Event Guide. Canada: DMG Events (Canada) Inc., 2013.

MLA Citation

Gas & Oil Expo North America 2013: Official Event Guide. Canada: DMG Events (Canada) Inc., 2013.

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