APA (7th ed.) Citation

Spyri, J. (1977). Outra vez Heidi. Bertrand.

Chicago Style (17th ed.) Citation

Spyri, Joana. Outra Vez Heidi. Bertrand, 1977.

MLA (8th ed.) Citation

Spyri, Joana. Outra Vez Heidi. Bertrand, 1977.

Warning: These citations may not always be 100% accurate.