APA (7th ed.) Citation

Apel. (2013). Feature-Oriented Software Product Lines (1.). Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Apel. Feature-Oriented Software Product Lines. 1. Springer Berlin Heidelberg, 2013.

MLA (8th ed.) Citation

Apel. Feature-Oriented Software Product Lines. 1. Springer Berlin Heidelberg, 2013.

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