APA引文

Callmer, J. (1977). Trade beads and bead trade in Scandinavia, ca. 800-1000 A.D. Rudolf Habelt Verlag.

Chicago Style (17th ed.) Citation

Callmer, Johan. Trade Beads and Bead Trade in Scandinavia, Ca. 800-1000 A.D. Bonn: Rudolf Habelt Verlag, 1977.

MLA引文

Callmer, Johan. Trade Beads and Bead Trade in Scandinavia, Ca. 800-1000 A.D. Rudolf Habelt Verlag, 1977.