APA引文

Schulz, K., Altman, D., & Moher, D. (2002). Allocation concealment in clinical trials.

Chicago Style (17th ed.) Citation

Schulz, K., D. Altman, and D. Moher. Allocation Concealment in Clinical Trials. 2002.

MLA引文

Schulz, K., et al. Allocation Concealment in Clinical Trials. 2002.