Style de citation APA

Tier, G. L. (2017). Letter to Carl Lutz (1945): A handwritten letter of thanks from Geoffrey Tier. Under Swiss protection.

Style de citation Chicago

Tier, Geoffrey Leonard. "Letter to Carl Lutz (1945): A Handwritten Letter of Thanks from Geoffrey Tier." Under Swiss Protection 2017.

Style de citation MLA

Tier, Geoffrey Leonard. "Letter to Carl Lutz (1945): A Handwritten Letter of Thanks from Geoffrey Tier." Under Swiss Protection, 2017.