APA (7th ed.) Citation

Okubo, M. (1981). Increase in mortality of middle-aged males in Japan. Population Research Institute, Nihon University.

Chicago Style (17th ed.) Citation

Okubo, Masakazu. Increase in Mortality of Middle-aged Males in Japan. Tokyo: Population Research Institute, Nihon University, 1981.

MLA (9th ed.) Citation

Okubo, Masakazu. Increase in Mortality of Middle-aged Males in Japan. Population Research Institute, Nihon University, 1981.