Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Beckensall, S. (1983). Northumberland's prehistoric rock carvings: A mystery explained. Pendulum Publications.

Chicago Citation Edition Citation

Beckensall, Stan. Northumberland's Prehistoric Rock Carvings: A Mystery Explained. Rothbury, Northumberland: Pendulum Publications, 1983.

MLA Citation Edition Citation

Beckensall, Stan. Northumberland's Prehistoric Rock Carvings: A Mystery Explained. Pendulum Publications, 1983.