Cita APA

Fitzpatrick, F. L. Our plant resources; plant and their economic importance / Frederick L. Fitzpatrick. New York, Holt : Rinehart and Winston.

Citación estilo Chicago

Fitzpatrick, Frederick L. Our Plant Resources; Plant and Their Economic Importance / Frederick L. Fitzpatrick. New York, Holt : Rinehart and Winston.

Cita MLA

Fitzpatrick, Frederick L. Our Plant Resources; Plant and Their Economic Importance / Frederick L. Fitzpatrick. New York, Holt : Rinehart and Winston.