APA (7th ed.) Citation

(1947). International Conference for the protection of nature, (Brunnen, June 28th - July 3rd 1947). Swiss League for the Protection of Nature.

Chicago Style (17th ed.) Citation

International Conference for the Protection of Nature, (Brunnen, June 28th - July 3rd 1947). Basle: Swiss League for the Protection of Nature, 1947.

MLA (9th ed.) Citation

International Conference for the Protection of Nature, (Brunnen, June 28th - July 3rd 1947). Swiss League for the Protection of Nature, 1947.