Cita APA (7th ed.)

ebrary, Inc, Erceg, D., & Milojeviae, P. (2010). Ulcers: Causes, diagnosis, and treatment. Nova Science Publishers.

Cita Chicago (17th ed.)

ebrary, Inc, Danijel Erceg, i Pero Milojeviae. Ulcers: Causes, Diagnosis, and Treatment. Hauppauge, NY: Nova Science Publishers, 2010.

Cita MLA (9th ed.)

ebrary, Inc, et al. Ulcers: Causes, Diagnosis, and Treatment. Nova Science Publishers, 2010.