APA Edition Citation

London, G. W. (1981). Fourth international colloqium on photon-photon interactions 1981.

Chicago Edition Citation

London, Georges W. Fourth International Colloqium on Photon-photon Interactions 1981. World Scientific, Publishing Co. Pvt. Ltd., Singapore, 1981.

MLA Edition Citation

London, Georges W. Fourth International Colloqium on Photon-photon Interactions 1981. 1981.