Цитирование APA (7-е изд.)

Levin, B. (2011). WTI and Brent Benchmarks: The relative value of crude oil between North America and Europe. Oxford Institute for Energy Studies.

Цитирование в стиле Чикаго (17-е изд.)

Levin, B. WTI and Brent Benchmarks: The Relative Value of Crude Oil Between North America and Europe. Oxford Institute for Energy Studies, 2011.

Цитирование MLA (9-е изд.)

Levin, B. WTI and Brent Benchmarks: The Relative Value of Crude Oil Between North America and Europe. Oxford Institute for Energy Studies, 2011.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.