Cita APA (7a ed.)

MacDonald, A. M., & Hamer, S. A. (1997). Development of computerized storage facilities for twin data: A relational database system for a twin register. Behavior genetics, 27(1), 1-13.

Cita Chicago Style (17a ed.)

MacDonald, A. M., y S. A. Hamer. "Development of Computerized Storage Facilities for Twin Data: A Relational Database System for a Twin Register." Behavior Genetics 27, no. 1 (1997): 1-13.

Cita MLA (8a ed.)

MacDonald, A. M., y S. A. Hamer. "Development of Computerized Storage Facilities for Twin Data: A Relational Database System for a Twin Register." Behavior Genetics, vol. 27, no. 1, 1997, pp. 1-13.