Cita APA (7a ed.)

Gosling, M., & Hopgood, E. (1999). Learn about information (2nd ed.). DocMatrix.

Cita Chicago Style (17a ed.)

Gosling, Mary, y Elizabeth Hopgood. Learn About Information. 2nd ed. Canberra: DocMatrix, 1999.

Cita MLA (9a ed.)

Gosling, Mary, y Elizabeth Hopgood. Learn About Information. 2nd ed. DocMatrix, 1999.