APA引文

Ellis, L., & Roe, D. A. (1993). Home-delivered meals programs for the elderly: Distribution of services in New York State.

Citação norma Chicago

Ellis, L., and D A. Roe. Home-delivered Meals Programs for the Elderly: Distribution of Services in New York State. 1993.

MLA引文

Ellis, L., and D A. Roe. Home-delivered Meals Programs for the Elderly: Distribution of Services in New York State. 1993.

警告：這些引文格式不一定是100％准確.