APA (7th ed.) Citation

Trotzig, G. (1973). Dendrokronologi pa Gotland.

Chicago Style (17th ed.) Citation

Trotzig, Gustaf. Dendrokronologi Pa Gotland. 1973.

MLA (9th ed.) Citation

Trotzig, Gustaf. Dendrokronologi Pa Gotland. 1973.

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