APA-referens (7:e uppl.)

Tetlow, J. A., Royce, J. E., Gonzalez, J., Hennessey, T. E., & Boel, J. (1993). Letters to the Editor. e-Publications@Marquette.

Chicago-referens (17:e uppl.)

Tetlow, Joseph A., James E. Royce, Javier Gonzalez, Thomas E. Hennessey, och Joseph Boel. Letters to the Editor. e-Publications@Marquette, 1993.

MLA-referens (8:e uppl.)

Tetlow, Joseph A., et al. Letters to the Editor. e-Publications@Marquette, 1993.