Citazione APA

Langevich, H. Letter, To: Sister Olya From: Mother Helena Langevich, December 10, 1915.

Stile di citazione Chicago

Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, December 10, 1915.

Citazione MLA

Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, December 10, 1915.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.