Cita APA (7th ed.)

Kirsch, H. (1968). Applied mineralogy for engineers, technologists, and students. Chapman & Hall and Science Paperbacks.

Cita Chicago (17th ed.)

Kirsch, Helmut. Applied Mineralogy for Engineers, Technologists, and Students. London: Chapman & Hall and Science Paperbacks, 1968.

Cita MLA (9th ed.)

Kirsch, Helmut. Applied Mineralogy for Engineers, Technologists, and Students. Chapman & Hall and Science Paperbacks, 1968.