Cita APA (7th ed.)

Evans, J. F., & Salcedo, R. N. j. a. (1974). Communications in agriculture: The American farm press. Iowa State University Press.

Cita Chicago (17th ed.)

Evans, James F., i Rodolfo N. joint auth Salcedo. Communications in Agriculture: The American Farm Press. Ames: Iowa State University Press, 1974.

Cita MLA (9th ed.)

Evans, James F., i Rodolfo N. joint auth Salcedo. Communications in Agriculture: The American Farm Press. Iowa State University Press, 1974.