APA (7th ed.) Citation

Schmandt-Besserat, D., Feldbusch, E., & Pogarell, R. (1991). Clay Tokens as Forerunner of Writing: The Linguistic Significance.

Chicago Style (17th ed.) Citation

Schmandt-Besserat, D., E. Feldbusch, and R. Pogarell. Clay Tokens as Forerunner of Writing: The Linguistic Significance. Tübingen, 1991.

MLA (8th ed.) Citation

Schmandt-Besserat, D., et al. Clay Tokens as Forerunner of Writing: The Linguistic Significance. 1991.