APA (7th ed.) Citation

Kreidolf, E. (1931). Grashupfer. Rotapfelverl.

Chicago Style (17th ed.) Citation

Kreidolf, Ernst. Grashupfer. Erlenbach-Zürich [u.a.]: Rotapfelverl, 1931.

MLA (9th ed.) Citation

Kreidolf, Ernst. Grashupfer. Rotapfelverl, 1931.

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