Cita APA (7th ed.)

Nelson, L. B., & Olitsky, S. E. (2014). Harley's pediatric ophthalmology (Sixth edition.). Lippincott Williams & Wilkins.

Cita Chicago (17th ed.)

Nelson, Leonard B., i Scott E. Olitsky. Harley's Pediatric Ophthalmology. Sixth edition. Philadelphia, PA: Lippincott Williams & Wilkins, 2014.

Cita MLA (9th ed.)

Nelson, Leonard B., i Scott E. Olitsky. Harley's Pediatric Ophthalmology. Sixth edition. Lippincott Williams & Wilkins, 2014.