APA (7th ed.) Citation

Girard, R. M. Texas Rocks and Minerals: An Amateur's Guide.

Chicago Style (17th ed.) Citation

Girard, Roselle M. Texas Rocks and Minerals: An Amateur's Guide.

MLA (9th ed.) Citation

Girard, Roselle M. Texas Rocks and Minerals: An Amateur's Guide.

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