APA Style

Stedman, Ashley, Green, Kenneth P.. (2018). Global petroleum survey 2018 . Vancouver: Fraser Institute.

Chicago Style

Stedman, Ashley, Green, Kenneth P.. Global petroleum survey 2018. Vancouver: Fraser Institute, 2018. Text.

MLA Style

Stedman, Ashley, Green, Kenneth P.. Global petroleum survey 2018. Vancouver: Fraser Institute, 2018. Text.

Turabian Style

Stedman, Ashley, Green, Kenneth P.. Global petroleum survey 2018. Vancouver: Fraser Institute, 2018. Print.