Cita APA (7a ed.)

Davis, M., & Wagner, A. R. (1968). Startle responsiveness after habituation to different intensities of tone. [s.n.].

Cita Chicago Style (17a ed.)

Davis, Michael, y Allan R. Wagner. Startle Responsiveness After Habituation to Different Intensities of Tone. [S.l.]: [s.n.], 1968.

Cita MLA (9a ed.)

Davis, Michael, y Allan R. Wagner. Startle Responsiveness After Habituation to Different Intensities of Tone. [s.n.], 1968.