APA (7th ed.) Citation

(1968). Proceedings of the Heidelberg International Conference on Elementary Particles, held at Heidelberg/Germany, September 20-27, 1967.

Chicago Style (17th ed.) Citation

Proceedings of the Heidelberg International Conference on Elementary Particles, Held at Heidelberg/Germany, September 20-27, 1967. 1968.

MLA (9th ed.) Citation

Proceedings of the Heidelberg International Conference on Elementary Particles, Held at Heidelberg/Germany, September 20-27, 1967. 1968.

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