Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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