Cita APA (7a ed.)

Levine, J. R., & Baroudi, C. (1995). Internet secrets. [S.n.].

Cita Chicago Style (17a ed.)

Levine, John R., y Carol Baroudi. Internet Secrets. Foster City: [S.n.], 1995.

Cita MLA (9a ed.)

Levine, John R., y Carol Baroudi. Internet Secrets. [S.n.], 1995.