Cita APA (7th ed.)

Cohen, M. S., Gaughan, E. D., Knoebel, A., Kurtz, D. S., & Pengelley, D. J. (1991). Student research projects in calculus. The Mathematical Association of America.

Cita Chicago (17th ed.)

Cohen, Marcus S., Edward D. Gaughan, Arthur Knoebel, Douglas S. Kurtz, i David J. Pengelley. Student Research Projects in Calculus. Washington, D.C: The Mathematical Association of America, 1991.

Cita MLA (9th ed.)

Cohen, Marcus S., et al. Student Research Projects in Calculus. The Mathematical Association of America, 1991.