APA (7th ed.) Citation

Landgren, B. (1979). De fyra elementen.

Chicago Style (17th ed.) Citation

Landgren, Bengt. De Fyra Elementen. 1979.

MLA (9th ed.) Citation

Landgren, Bengt. De Fyra Elementen. 1979.

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