APA (7th ed.) Citation

Umiker-Sebeok, D. J., & Sebeok, T. A. (1987). Monastic sign languages. Mouton de Gruyter.

Chicago Style (17th ed.) Citation

Umiker-Sebeok, Donna Jean, and Thomas A. Sebeok. Monastic Sign Languages. Berlin [etc.]: Mouton de Gruyter, 1987.

MLA (9th ed.) Citation

Umiker-Sebeok, Donna Jean, and Thomas A. Sebeok. Monastic Sign Languages. Mouton de Gruyter, 1987.