Cita APA (7a ed.)

Baragiola, R. A., & Salvatelli, E. (1973). . North holland publisher.

Cita Chicago Style (17a ed.)

Baragiola, R. A., y E.R Salvatelli. . North holland publisher, 1973.

Cita MLA (8a ed.)

Baragiola, R. A., y E.R Salvatelli. . North holland publisher, 1973.