APA (7th ed.) Citation

Smil, V. (2008). Oil: A Beginner's Guide. Oxford.

Chicago Style (17th ed.) Citation

Smil, Vaclav. Oil: A Beginner's Guide. England: Oxford, 2008.

MLA (9th ed.) Citation

Smil, Vaclav. Oil: A Beginner's Guide. Oxford, 2008.

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