Cita APA (7a ed.)

Cowman, D., Higgins, A., & Fitzpatrick, M. (1990). Evidence from the past. Folens.

Cita Chicago Style (17a ed.)

Cowman, Des, Antoinette Higgins, y Marie-Louise Fitzpatrick. Evidence from the Past. Dublin: Folens, 1990.

Cita MLA (9a ed.)

Cowman, Des, et al. Evidence from the Past. Folens, 1990.