Cita APA

Pearl, R. (1955). How to know the minerals and rock. New York: McGraw-Hill.

Citación estilo Chicago

Pearl, R.M. How to Know the Minerals and Rock. New York: McGraw-Hill, 1955.

Cita MLA

Pearl, R.M. How to Know the Minerals and Rock. New York: McGraw-Hill, 1955.