Cita APA (7a ed.)

Diedrich, W. M., & Bangert, J. (1980). Articulation Learning. College-Hill Pr.

Cita Chicago Style (17a ed.)

Diedrich, William M., y Jeff Bangert. Articulation Learning. Houston, Taxas: College-Hill Pr, 1980.

Cita MLA (9a ed.)

Diedrich, William M., y Jeff Bangert. Articulation Learning. College-Hill Pr, 1980.