Cita APA (7a ed.)

Fitzgerald, K. W. (1993). Alcoholism: The genetic inheritance (NULL.).

Cita Chicago Style (17a ed.)

Fitzgerald, Kathleen W. Alcoholism: The Genetic Inheritance. NULL. USA, 1993.

Cita MLA (8a ed.)

Fitzgerald, Kathleen W. Alcoholism: The Genetic Inheritance. NULL. 1993.