Cita APA (7th ed.)

Campbell, D. S. (1995). Better sentence-writing in 30 minutes a day (Trade ed.). Career Press.

Cita Chicago (17th ed.)

Campbell, Dianna S. Better Sentence-writing in 30 Minutes a Day. Trade ed. Franklin Lakes, N.J: Career Press, 1995.

Cita MLA (9th ed.)

Campbell, Dianna S. Better Sentence-writing in 30 Minutes a Day. Trade ed. Career Press, 1995.