Cita APA (7a ed.)

Allen, N., Davey, G., Key, T., Zhang, S., & Narod, S. (2002). Serum insulin-like growth factor I (IGF-I) concentration in men is not associated with the cytosine-adenosine repeat polymorphism of the IGF-I gene.

Cita Chicago Style (17a ed.)

Allen, N., G. Davey, T. Key, S. Zhang, y SA Narod. Serum Insulin-like Growth Factor I (IGF-I) Concentration in Men Is Not Associated with the Cytosine-adenosine Repeat Polymorphism of the IGF-I Gene. 2002.

Cita MLA (9a ed.)

Allen, N., et al. Serum Insulin-like Growth Factor I (IGF-I) Concentration in Men Is Not Associated with the Cytosine-adenosine Repeat Polymorphism of the IGF-I Gene. 2002.