Cita APA

Slepian, J., Seidler, A. G., & Martin, R. E. (1967). An ear is to hear. Follett.

Chicago Style (17th ed.) Citation

Slepian, Jan, Ann G. Seidler, i Richard E. Martin. An Ear Is to Hear. Chicago: Follett, 1967.

Cita MLA

Slepian, Jan, et al. An Ear Is to Hear. Follett, 1967.