Cita APA

Lester, J. D., & Lester, J. D. (2007). Writing research papers: A complete guide (12a ed.). New York: Pearson Longman.

Citación estilo Chicago

Lester, James D., y James D. Lester. Writing Research Papers: A Complete Guide. 12a ed. New York: Pearson Longman, 2007.

Cita MLA

Lester, James D., y James D. Lester. Writing Research Papers: A Complete Guide. 12a ed. New York: Pearson Longman, 2007.