Kelten.

MLA

Kruta, Venceslas, and Werner Forman. Kelten. [S.l.]: Phoenix, 1985.

APA

Kruta, V., & Forman, W. (1985). Kelten. [S.l.]: Phoenix.

Chicago

Kruta, Venceslas, and Werner Forman. Kelten. [S.l.]: Phoenix, 1985.