APA Citation

Ahlberg, P., & Bergstrom, J. (1983). Lower cambrian trilobites from southern Swedish Liapland. [Stockholm]: [s.n.].

Chicago Style Citation

Ahlberg, Per, and Jan Bergstrom. Lower Cambrian Trilobites From Southern Swedish Liapland. [Stockholm]: [s.n.], 1983.

MLA Citation

Ahlberg, Per, and Jan Bergstrom. Lower Cambrian Trilobites From Southern Swedish Liapland. [Stockholm]: [s.n.], 1983.

Warning: These citations may not always be 100% accurate.