Cita APA

Zenfell, M. E., & Savage, i. A. (1989). E.U.A. Edinter.

Chicago Style (17th ed.) Citation

Zenfell, Martha Ellen, i il. Ann Savage. E.U.A. Edinter, 1989.

Cita MLA

Zenfell, Martha Ellen, i il. Ann Savage. E.U.A. Edinter, 1989.