APA-viite (7. p.)

Please, C., Pettet, G., & McElwain, D. (1999). Avascular tumour dynamics and necrosis.

Chicago-viite (17. p.)

Please, C., G. Pettet, ja D. McElwain. Avascular Tumour Dynamics and Necrosis. 1999.

MLA-viite (9. p.)

Please, C., et al. Avascular Tumour Dynamics and Necrosis. 1999.