APA引文

Blacker, R. (1970). Fifteen plus: School leavers and the outside world.

Chicago Edition Citation

Blacker, Rosamunde. Fifteen Plus: School Leavers and the Outside World. 1970.

MLA引文

Blacker, Rosamunde. Fifteen Plus: School Leavers and the Outside World. 1970.

警告：这些引文格式不一定是100％准确.