APA Style

Gessa, T, B, J, B, G. (1973). Congresses of the collegius internationale neuro-psyehopharmacologicum . Copenhagen, 14-17 August 1973 . Amsterdam: North Holland Publ.

MLA Style

Gessa, T.A., Ban;, J.R., Boissier;, G.J.. "Congresses of the collegius internationale neuro-psyehopharmacologicum . Copenhagen, 14-17 August 1973". Amsterdam: North Holland Publ, 1973. print.