APA (7th ed.) Citation

Cooper lhJohn. Checkers volcanoes.

Chicago Style (17th ed.) Citation

Cooper lhJohn. Checkers Volcanoes. Western Road lbMacDonald Young Books lc1999.

MLA (9th ed.) Citation

Cooper lhJohn. Checkers Volcanoes.

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