Cita APA (7a ed.)

Derus, G. Jan Karski and St. John Paul II: Two men on a similar mission.

Cita Chicago Style (17a ed.)

Derus, Greta. Jan Karski and St. John Paul II: Two Men on a Similar Mission.

Cita MLA (9a ed.)

Derus, Greta. Jan Karski and St. John Paul II: Two Men on a Similar Mission.