APA (7th ed.) Citation

Spoerl, A. (1971). Alexander Spoerls Computerbuch.

Chicago Style (17th ed.) Citation

Spoerl, Alexander. Alexander Spoerls Computerbuch. 1971.

MLA (9th ed.) Citation

Spoerl, Alexander. Alexander Spoerls Computerbuch. 1971.

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