APA-Zitierstil (7. Ausg.)

Swallow, B. M., & Bradley, H. (2009). Dear Helen: Wartime letters from a Londoner to her American pen pal. Univ. of Missouri Press.

Chicago-Zitierstil (17. Ausg.)

Swallow, Betty M., und Helen Bradley. Dear Helen: Wartime Letters from a Londoner to Her American Pen Pal. Columbia: Univ. of Missouri Press, 2009.

MLA-Zitierstil (9. Ausg.)

Swallow, Betty M., und Helen Bradley. Dear Helen: Wartime Letters from a Londoner to Her American Pen Pal. Univ. of Missouri Press, 2009.