APA (7th ed.) Citation

Ahlswede, R., & Wegener, I. (1987). Search problems. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Ahlswede, Rudolf, and Ingo Wegener. Search Problems. Chichester: John Wiley & Sons, 1987.

MLA (8th ed.) Citation

Ahlswede, Rudolf, and Ingo Wegener. Search Problems. John Wiley & Sons, 1987.

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