Cita APA (7a ed.)

Labuda, M. C., Svikis, D. S., & Pickens, R. W. (1997). Twin closeness and co-twin risk for substance use disorders: Assessing the impact of the equal environment assumption.

Cita Chicago Style (17a ed.)

Labuda, M. C., D. S. Svikis, y R. W. Pickens. Twin Closeness and Co-twin Risk for Substance Use Disorders: Assessing the Impact of the Equal Environment Assumption. 1997.

Cita MLA (9a ed.)

Labuda, M. C., et al. Twin Closeness and Co-twin Risk for Substance Use Disorders: Assessing the Impact of the Equal Environment Assumption. 1997.