Cita APA (7a ed.)

Arnold,Chester A. (1947). An Introduction to Paleobotany. McGraw-Hill Co.

Cita Chicago Style (17a ed.)

Arnold,Chester A. An Introduction to Paleobotany. New York-USA: McGraw-Hill Co, 1947.

Cita MLA (8a ed.)

Arnold,Chester A. An Introduction to Paleobotany. McGraw-Hill Co, 1947.