Cita APA (7a ed.)

Grewendorf, G., & Sternefeld, W. (1990). Scrambling and barriers. John Benjamins.

Cita Chicago Style (17a ed.)

Grewendorf, Günther, y Wolfgang Sternefeld. Scrambling and Barriers. Amsterdam [etc.]: John Benjamins, 1990.

Cita MLA (9a ed.)

Grewendorf, Günther, y Wolfgang Sternefeld. Scrambling and Barriers. John Benjamins, 1990.