APA Style

Congreses, P, I, A, O, N. (1967). Report of Proceedings of the XXIst Congress 1965 . Stockholm: Permanent International Association of Navigation Congreses.

MLA Style

Congreses, Permanent, International, Association, Of, Navigation. "Report of Proceedings of the XXIst Congress 1965". Stockholm: Permanent International Association of Navigation Congreses, 1967. Text.