Cita APA

Walker, J. C. (1957). Plant Pathology (3.). Mc Graw- Hill Book Company Inc.

Chicago Edition Citation

Walker, John Charles. Plant Pathology. 3. Newyork: Mc Graw- Hill Book Company Inc, 1957.

Cita MLA

Walker, John Charles. Plant Pathology. 3. Mc Graw- Hill Book Company Inc, 1957.