Cita APA (7a ed.)

Agrawal, O. P., Elsner, T. E., Robertson, J. S., Samples, J., & Wilson, J. T. (2009). The best test preparation for the GRE graduate record examination mathematics test (4th ed.). Research and Education Association.

Cita Chicago Style (17a ed.)

Agrawal, Om Prakash, Thomas E. Elsner, John S. Robertson, Jerry Samples, y J. Terry Wilson. The Best Test Preparation for the GRE Graduate Record Examination Mathematics Test. 4th ed. Piscataway, N.J.: Research and Education Association, 2009.

Cita MLA (8a ed.)

Agrawal, Om Prakash, et al. The Best Test Preparation for the GRE Graduate Record Examination Mathematics Test. 4th ed. Research and Education Association, 2009.