Cita APA (7a ed.)

Hartman, R. R. (1976). Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University.

Cita Chicago Style (17a ed.)

Hartman, Robert R. Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University, 1976.

Cita MLA (8a ed.)

Hartman, Robert R. Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University, 1976.