APA (7th ed.) Citation

Gurova, M., Andreeva, P., & Stefanova, E. Discriminating between flint outcrops in central north Bulgaria: Archaeological implications. Association of Bulgarian Archaeologists.

Chicago Style (17th ed.) Citation

Gurova, Maria, Polina Andreeva, and Elitsa Stefanova. Discriminating Between Flint Outcrops in Central North Bulgaria: Archaeological Implications. Association of Bulgarian Archaeologists.

MLA (9th ed.) Citation

Gurova, Maria, et al. Discriminating Between Flint Outcrops in Central North Bulgaria: Archaeological Implications. Association of Bulgarian Archaeologists.