MLA

Williford, Bo/David, et al. Literature Themes From Five Decades of Agricultural Communications Publications. USA, 2016.

APA

Williford, B., Edgar, L. D, Rucker, K. Jill, & Estes, S. (2016). Literature themes from five decades of agricultural communications publications. USA.

Chicago

Williford, Bo/David, Leslie D Edgar, K. Jill Rucker, and Stuart Estes. Literature Themes From Five Decades of Agricultural Communications Publications. USA, 2016.