APA引文

Kramer, J. C. (1970). Methadone Maintenance for Opiate Dependence.

Citação norma Chicago

Kramer, John C. Methadone Maintenance for Opiate Dependence. 1970.

MLA引文

Kramer, John C. Methadone Maintenance for Opiate Dependence. 1970.

警告：這些引文格式不一定是100％准確.