APA (7th ed.) Citation

Zuercher, R., & Sedgwick, T. (1983). Guide to coal contracts. Coal outlook.

Chicago Style (17th ed.) Citation

Zuercher, Rick, and Tod Sedgwick. Guide to Coal Contracts. Arlington, Va.: Coal outlook, 1983.

MLA (9th ed.) Citation

Zuercher, Rick, and Tod Sedgwick. Guide to Coal Contracts. Coal outlook, 1983.