APA引文

Spyri, J. (1941). Heidi: Grand' mere. Paris: Flammarion.

Παραπομπή Chicago Style

Spyri, Johanna. Heidi: Grand' Mere. Paris: Flammarion, 1941.

MLA引文

Spyri, Johanna. Heidi: Grand' Mere. Paris: Flammarion, 1941.

警告：这些引文格式不一定是100％准确.