APA引文

SPYRI, J. (2013). HEIDI. SCHOLASTIC REFERENCE.

芝加哥风格引文

SPYRI, JOHANNA. HEIDI. SCHOLASTIC REFERENCE, 2013.

MLA引文

SPYRI, JOHANNA. HEIDI. SCHOLASTIC REFERENCE, 2013.

警告：这些引文格式不一定是100％准确.