APA (7th ed.) Citation

Tynan, K., Tynan, K., & Eban, E. (1989). Profiles. Hern.

Chicago Style (17th ed.) Citation

Tynan, Kenneth, Kathleen Tynan, and Ernie Eban. Profiles. London: Hern, 1989.

MLA (9th ed.) Citation

Tynan, Kenneth, et al. Profiles. Hern, 1989.