Cita APA (7a ed.)

Josemaría Escrivá de Balaguer, S. (1974). Time is a treasure. Scepter booklets.

Cita Chicago Style (17a ed.)

Josemaría Escrivá de Balaguer, Santo. Time Is a Treasure. New York: Scepter booklets, 1974.

Cita MLA (9a ed.)

Josemaría Escrivá de Balaguer, Santo. Time Is a Treasure. Scepter booklets, 1974.