Gaya APA

Katowitz, J, A., Katowitz, W, R. (2018). Pediatric Oculoplastic Surgery (2nd ed. 2018). New york: Springer International Publishing.

Gaya MLA

Katowitz, James, A.., Katowitz, William, R.. "Pediatric Oculoplastic Surgery". 2nd ed. 2018 New york: Springer International Publishing, 2018. Text.