Cita APA (7th ed.)

Wilton, V., & Davey, J. A. (2006). Grandfathers: Their changing family roles and contributions. Families Commission.

Cita Chicago (17th ed.)

Wilton, Virginia, i Judith A. Davey. Grandfathers: Their Changing Family Roles and Contributions. [Wellington, N.Z.]: Families Commission, 2006.

Cita MLA (9th ed.)

Wilton, Virginia, i Judith A. Davey. Grandfathers: Their Changing Family Roles and Contributions. Families Commission, 2006.