APA引文

Zuriff, G. E. (1970). A comparison of variable-ratio and variable-interval schedules of reinforcement.

Citação norma Chicago

Zuriff, G. E. A Comparison of Variable-ratio and Variable-interval Schedules of Reinforcement. 1970.

MLA引文

Zuriff, G. E. A Comparison of Variable-ratio and Variable-interval Schedules of Reinforcement. 1970.

警告：這些引文格式不一定是100％准確.