APA (7th ed.) Citation

Summers, D. (2007). Horizons, or infinities without end: = Horizonte oder Unendlichkeiten ohne Ende.

Chicago Style (17th ed.) Citation

Summers, David. Horizons, or Infinities Without End: = Horizonte Oder Unendlichkeiten Ohne Ende. 2007.

MLA (9th ed.) Citation

Summers, David. Horizons, or Infinities Without End: = Horizonte Oder Unendlichkeiten Ohne Ende. 2007.

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