APA (7th ed.) Citation

Engel, P. (1984). Frettchen + Frettieren. Hoffmann.

Chicago Style (17th ed.) Citation

Engel, Peter. Frettchen + Frettieren. Mainz: Hoffmann, 1984.

MLA (9th ed.) Citation

Engel, Peter. Frettchen + Frettieren. Hoffmann, 1984.

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