Cita APA

Lester, J. D., & Lester, J. D. (1993). Writing research papers: A complete guide (7. edition.). New York, New York: Harper Collins College.

Citación estilo Chicago

Lester, James D., y James D. Lester. Writing Research Papers: A Complete Guide. 7. edition. New York, New York: Harper Collins College, 1993.

Cita MLA

Lester, James D., y James D. Lester. Writing Research Papers: A Complete Guide. 7. edition. New York, New York: Harper Collins College, 1993.