APA aipamena

Wallis, E. J., Williamson, R., Ramsay, L. E., Yeo, W. W., & Jackson, P. R. (1998). Cholestanol and survival with simvastatin: More data are needed. BMJ Group.

Chicago Style aipamena

Wallis, E J., R. Williamson, L E. Ramsay, W W. Yeo, and P R. Jackson. Cholestanol and Survival With Simvastatin: More Data Are Needed. BMJ Group, 1998.

MLA aipamena

Wallis, E J., et al. Cholestanol and Survival With Simvastatin: More Data Are Needed. BMJ Group, 1998.