Cita APA (7a ed.)

Tsibulsky, V. L., & Norman, A. B. (2021). Dramatic increase in lever-pressing activity in rats after training on the progressive ratio schedule of cocaine self-administration. Nature Portfolio.

Cita Chicago Style (17a ed.)

Tsibulsky, Vladimir L., y Andrew B. Norman. Dramatic Increase in Lever-pressing Activity in Rats After Training on the Progressive Ratio Schedule of Cocaine Self-administration. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Tsibulsky, Vladimir L., y Andrew B. Norman. Dramatic Increase in Lever-pressing Activity in Rats After Training on the Progressive Ratio Schedule of Cocaine Self-administration. Nature Portfolio, 2021.