Cita APA (7a ed.)

Lester, J. D. (1993). Writing research papers: A complete guide (7th ed.). Harper Collins.

Cita Chicago Style (17a ed.)

Lester, James D. Writing Research Papers: A Complete Guide. 7th ed. New York: Harper Collins, 1993.

Cita MLA (9a ed.)

Lester, James D. Writing Research Papers: A Complete Guide. 7th ed. Harper Collins, 1993.