Cita APA (7th ed.)

(2021). [8.] Piesauer Heimatheft.

Cita Chicago (17th ed.)

[8.] Piesauer Heimatheft. 2021.

Cita MLA (8th ed.)

[8.] Piesauer Heimatheft. 2021.

Atenció: Aquestes cites poden no estar 100% correctes.