APA (7th ed.) Citation

Coulmas, F., & Ehlich, K. (1996). A Bibliography on Writing and Written Language. 3 vols.

Chicago Style (17th ed.) Citation

Coulmas, Florian, and Konrad Ehlich. A Bibliography on Writing and Written Language. 3 Vols. Berlin/New York, 1996.

MLA (8th ed.) Citation

Coulmas, Florian, and Konrad Ehlich. A Bibliography on Writing and Written Language. 3 Vols. 1996.