APA

Scientific Conference on the Conservation and Utilization of Resources, Vereinte Nationen & Vereinte Nationen. (19). Proceedings of the United Nations Scientific Conference on the Conservation and Utilization of Resources. Lake Success, NY: United Nations Department of Economic Affairs.

Chicago

Scientific Conference on the Conservation and Utilization of Resources, Vereinte Nationen and Vereinte Nationen. 19. Proceedings of the United Nations Scientific Conference on the Conservation and Utilization of Resources. Lake Success, NY: United Nations Department of Economic Affairs.

Harvard

Scientific Conference on the Conservation and Utilization of Resources, Vereinte Nationen and Vereinte Nationen. (19). Proceedings of the United Nations Scientific Conference on the Conservation and Utilization of Resources. Lake Success, NY: United Nations Department of Economic Affairs.

MLA

Scientific Conference on the Conservation and Utilization of Resources, Vereinte Nationen and Vereinte Nationen. Proceedings of the United Nations Scientific Conference on the Conservation and Utilization of Resources. Lake Success, NY: United Nations Department of Economic Affairs. 19.