APA引文

Shephard, R. J. (1978). Physical activity and aging. Croom Helm.

Chicago Edition Citation

Shephard, Roy J. Physical Activity and Aging. London: Croom Helm, 1978.

MLA引文

Shephard, Roy J. Physical Activity and Aging. Croom Helm, 1978.

警告：这些引文格式不一定是100％准确.