APA način citiranja

Bittel, D. C., & Butler, M. G. (2005). Prader–Willi syndrome: Clinical genetics, cytogenetics and molecular biology. Expert Rev Mol Med.

Čikaški stil citiranja

Bittel, Douglas C., i Merlin G. Butler. "Prader–Willi Syndrome: Clinical Genetics, Cytogenetics and Molecular Biology." Expert Rev Mol Med 2005.

MLA način citiranja

Bittel, Douglas C., i Merlin G. Butler. "Prader–Willi Syndrome: Clinical Genetics, Cytogenetics and Molecular Biology." Expert Rev Mol Med 2005.