APA (7th ed.) Citation

Dietze, O. (1973). Riddles and puzzles. Volk und Wissen.

Chicago Style (17th ed.) Citation

Dietze, Otto. Riddles and Puzzles. Berlin: Volk und Wissen, 1973.

MLA (8th ed.) Citation

Dietze, Otto. Riddles and Puzzles. Volk und Wissen, 1973.

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