APA (7th ed.) Citation

Schaller, H., Gesemann, W., Krauß, R., & Comati, S. (2014). Bulgarien-Jahrbuch 2012. Peter Lang International Academic Publishers.

Chicago Style (17th ed.) Citation

Schaller, Helmut, Wolfgang Gesemann, Raiko Krauß, and Sigrun Comati. Bulgarien-Jahrbuch 2012. Bern: Peter Lang International Academic Publishers, 2014.

MLA (9th ed.) Citation

Schaller, Helmut, et al. Bulgarien-Jahrbuch 2012. Peter Lang International Academic Publishers, 2014.