Cita APA

Hibbard, B. H., & Hibbard, B. H. (1948). Agricultural economics. New York, New York: McGraw-Hill.

Citación estilo Chicago

Hibbard, Benjamín Horace, y Benjamín Horace Hibbard. Agricultural Economics. New York, New York: McGraw-Hill, 1948.

Cita MLA

Hibbard, Benjamín Horace, y Benjamín Horace Hibbard. Agricultural Economics. New York, New York: McGraw-Hill, 1948.