Cita APA

Frey, K. J. (1967). Plant breeding: A symposium held at Iowa state university. Iowa state university press.

Citación estilo Chicago

Frey, Kenneth J. Plant Breeding: A Symposium Held At Iowa State University. Ames: Iowa state university press, 1967.

Cita MLA

Frey, Kenneth J. Plant Breeding: A Symposium Held At Iowa State University. Ames: Iowa state university press, 1967.