Highsmith, R. M. (1958). Atlas of Oregon agriculture. Agricultural Experiment Station, Oregon State College.
Cita Chicago Style (17a ed.)Highsmith, Richard M. Atlas of Oregon Agriculture. Corvallis, Or.: Agricultural Experiment Station, Oregon State College, 1958.
Cita MLA (8a ed.)Highsmith, Richard M. Atlas of Oregon Agriculture. Agricultural Experiment Station, Oregon State College, 1958.
Precaución: Estas citas no son 100% exactas.