Παραπομπή APA

Armitage, J. G. M. (1983). 75th jubilee conference on Helium-4.

Παραπομπή Chicago Style

Armitage, J G M. 75th Jubilee Conference on Helium-4. World Scientific Publishing Co Pte Ltd., Singapore, 1983.

Παραπομπή MLA

Armitage, J G M. 75th Jubilee Conference on Helium-4. 1983.