APA (7th ed.) Citation

Machado, A., & Keen, R. (2003). Temporal discrimination in a long operant chamber.

Chicago Style (17th ed.) Citation

Machado, Armando, and Richard Keen. Temporal Discrimination in a Long Operant Chamber. 2003.

MLA (8th ed.) Citation

Machado, Armando, and Richard Keen. Temporal Discrimination in a Long Operant Chamber. 2003.

Warning: These citations may not always be 100% accurate.