APA (7th ed.) Citation

Edward,Ron, & Edward,Adrianna. (2004). Coal. Crabtree publishing company.

Chicago Style (17th ed.) Citation

Edward,Ron, and Edward,Adrianna. Coal. New York: Crabtree publishing company, 2004.

MLA (9th ed.) Citation

Edward,Ron, and Edward,Adrianna. Coal. Crabtree publishing company, 2004.

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