Cita APA (7a ed.)

Freisler, C. (1973). Letters from Mayerling. Heligenkreuzer Verlag.

Cita Chicago Style (17a ed.)

Freisler, Camilla. Letters from Mayerling. Heiligenkreuz, Wien: Heligenkreuzer Verlag, 1973.

Cita MLA (9a ed.)

Freisler, Camilla. Letters from Mayerling. Heligenkreuzer Verlag, 1973.