Citação norma APA

Hall-Johnson, E., & Poling, A. (1984). Preference in pigeons given a choice between sequences of fixed-ratio schedules: Effects of ratio values and duration of food delivery.

Citação norma Chicago

Hall-Johnson, Earl, and Alan Poling. Preference in Pigeons Given a Choice between Sequences of Fixed-ratio Schedules: Effects of Ratio Values and Duration of Food Delivery. 1984.

Citação norma MLA

Hall-Johnson, Earl, and Alan Poling. Preference in Pigeons Given a Choice between Sequences of Fixed-ratio Schedules: Effects of Ratio Values and Duration of Food Delivery. 1984.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.