APA

Hayashi K., Kawachi I., Ohira T., Kondo K., Shirai K. & Kondo N. (2015). Laughter and Subjective Health Among Community-Dwelling Older People in Japan: Cross-Sectional Analysis of the Japan Gerontological Evaluation Study Cohort Data. : The Journal of nervous and mental disease.

Chicago

Hayashi Kei, Kawachi Ichiro, Ohira Tetsuya, Kondo Katsunori, Shirai Kokoro and Kondo Naoki. 2015. Laughter and Subjective Health Among Community-Dwelling Older People in Japan: Cross-Sectional Analysis of the Japan Gerontological Evaluation Study Cohort Data. : The Journal of nervous and mental disease.

Harvard

Hayashi K., Kawachi I., Ohira T., Kondo K., Shirai K. and Kondo N. (2015). Laughter and Subjective Health Among Community-Dwelling Older People in Japan: Cross-Sectional Analysis of the Japan Gerontological Evaluation Study Cohort Data. : The Journal of nervous and mental disease.

MLA

Hayashi Kei, Kawachi Ichiro, Ohira Tetsuya, Kondo Katsunori, Shirai Kokoro and Kondo Naoki. Laughter and Subjective Health Among Community-Dwelling Older People in Japan: Cross-Sectional Analysis of the Japan Gerontological Evaluation Study Cohort Data. : The Journal of nervous and mental disease. 2015.