Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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

Attention : ces citations peuvent ne pas être correctes à 100%.