APA (7th ed.) Citation

Bjerkan, P. (1908). Ascidien. Kristiania : Printed by A.W. Brøgger.

Chicago Style (17th ed.) Citation

Bjerkan, Paul. Ascidien. Kristiania : Printed by A.W. Brøgger, 1908.

MLA (8th ed.) Citation

Bjerkan, Paul. Ascidien. Kristiania : Printed by A.W. Brøgger, 1908.

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