APA (7th ed.) Citation

Ježek, J., Kepka, T., & Němec, P. (1981). Distributive groupoids. Academia.

Chicago Style (17th ed.) Citation

Ježek, Jaroslav, Tomáš Kepka, and Petr Němec. Distributive Groupoids. Praha: Academia, 1981.

MLA (9th ed.) Citation

Ježek, Jaroslav, et al. Distributive Groupoids. Academia, 1981.