APA (7th ed.) Citation

Guggisberg, C. A. W., & Hainard, R. (1900). Unsere Vogel. Hallwag.

Chicago Style (17th ed.) Citation

Guggisberg, C. A. W., and Robert Hainard. Unsere Vogel. Bern: Hallwag, 1900.

MLA (9th ed.) Citation

Guggisberg, C. A. W., and Robert Hainard. Unsere Vogel. Hallwag, 1900.

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