APA način citiranja

Khan, O., Maclennan, K. A., Ell, P. J., Kurtz, A., & Williams, E. S. (1981). Thyroid carcinoma in an autonomously hyperfunctioning thyroid nodule.

Čikaški stil citiranja

Khan, O., K. A. Maclennan, P. J. Ell, A. Kurtz, i E. S. Williams. Thyroid Carcinoma in an Autonomously Hyperfunctioning Thyroid Nodule. 1981.

MLA način citiranja

Khan, O., et al. Thyroid Carcinoma in an Autonomously Hyperfunctioning Thyroid Nodule. 1981.