Cita APA (7a ed.)

Aiello, B., Shulman, J., & Barr, L. (1988). Friends for life: Featuring Amy Wilson. Twenty-First Century.

Cita Chicago Style (17a ed.)

Aiello, Barbara, Jeffrey Shulman, y Loel Barr. Friends for Life: Featuring Amy Wilson. Frederick, Md.: Twenty-First Century, 1988.

Cita MLA (9a ed.)

Aiello, Barbara, et al. Friends for Life: Featuring Amy Wilson. Twenty-First Century, 1988.