APA (7th ed.) Citation

Trautschold, M., Mazo, G., & Ritchie, R. (2011). iPhone 4S Made Simple. Apress. https://doi.org/10.1007/978-1-4302-3588-0

Chicago Style (17th ed.) Citation

Trautschold, Martin, Gary Mazo, and Rene Ritchie. IPhone 4S Made Simple. Berkeley, CA: Apress, 2011. https://doi.org/10.1007/978-1-4302-3588-0.

MLA (9th ed.) Citation

Trautschold, Martin, et al. IPhone 4S Made Simple. Apress, 2011. https://doi.org/10.1007/978-1-4302-3588-0.