APA (7th ed.) Citation

Roth, M., Dell, H., & Wellnitz, P. (2019). Counting answers to existential questions. Leibniz International Proceedings in Informatics.

Chicago Style (17th ed.) Citation

Roth, M., H. Dell, and P. Wellnitz. Counting Answers to Existential Questions. Leibniz International Proceedings in Informatics, 2019.

MLA (9th ed.) Citation

Roth, M., et al. Counting Answers to Existential Questions. Leibniz International Proceedings in Informatics, 2019.