Cita APA (7th ed.)

Yell, J., & Wojnarowska, F. (1993). Diagnosis and management of systemic lupus erythematosus. Sun protection is vital.

Cita Chicago (17th ed.)

Yell, J., i F. Wojnarowska. Diagnosis and Management of Systemic Lupus Erythematosus. Sun Protection Is Vital. 1993.

Cita MLA (9th ed.)

Yell, J., i F. Wojnarowska. Diagnosis and Management of Systemic Lupus Erythematosus. Sun Protection Is Vital. 1993.