Cita APA (7a ed.)

Pelin, E., Danova, E., & Markova, L. (1977). Kerle aus dem Sack (o.A.). Sofia-Press.

Cita Chicago Style (17a ed.)

Pelin, Elin, Eli Danova, y Lotte Markova. Kerle Aus Dem Sack. o.A. Sofia: Sofia-Press, 1977.

Cita MLA (8a ed.)

Pelin, Elin, et al. Kerle Aus Dem Sack. o.A. Sofia-Press, 1977.