Cita APA (7th ed.)

Nixon, H. H., & O'Donnell, B. (1992). The essentials of paediatric surgery (4th ed.). Butterworth-Heinemann.

Cita Chicago (17th ed.)

Nixon, H. Homewood, i Barry O'Donnell. The Essentials of Paediatric Surgery. 4th ed. Oxford: Butterworth-Heinemann, 1992.

Cita MLA (9th ed.)

Nixon, H. Homewood, i Barry O'Donnell. The Essentials of Paediatric Surgery. 4th ed. Butterworth-Heinemann, 1992.