Cita APA

Walker, J. C. (1952). Disease of vegetable crops. Mc Graw- Hill Book Company Inc.

Citación estilo Chicago

Walker, John Charles. Disease of Vegetable Crops. London: Mc Graw- Hill Book Company Inc, 1952.

Cita MLA

Walker, John Charles. Disease of Vegetable Crops. Mc Graw- Hill Book Company Inc, 1952.