APA (7th ed.) Citation

Singer, U. (1985). Biologische Rhythmen beim Hund. [publisher not identified].

Chicago Style (17th ed.) Citation

Singer, Ulrich. Biologische Rhythmen Beim Hund. [Place of publication not identified]: [publisher not identified], 1985.

MLA (9th ed.) Citation

Singer, Ulrich. Biologische Rhythmen Beim Hund. [publisher not identified], 1985.

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