APA

National Institute of Polar Research, . (1987). Proceedings of the NIPR Symposium on Polar Research : Biology. Tokyo: National Institute of Polar Research.

Chicago

National Institute of Polar Research, . 1987. Proceedings of the NIPR Symposium on Polar Research : Biology. Tokyo: National Institute of Polar Research.

Harvard

National Institute of Polar Research, . (1987). Proceedings of the NIPR Symposium on Polar Research : Biology. Tokyo: National Institute of Polar Research.

MLA

National Institute of Polar Research, . Proceedings of the NIPR Symposium on Polar Research : Biology. Tokyo: National Institute of Polar Research. 1987.