Cita APA (7a ed.)

Friedland, M. L., Trebilcock, M. J., & Roach, K. (1990). Regulating traffic safety. Univ. of Toronto Pr.

Cita Chicago Style (17a ed.)

Friedland, Martin L., Michael J. Trebilcock, y Kent Roach. Regulating Traffic Safety. Toronto [u.a.]: Univ. of Toronto Pr, 1990.

Cita MLA (8a ed.)

Friedland, Martin L., et al. Regulating Traffic Safety. Univ. of Toronto Pr, 1990.