APA (7th ed.) Citation

Weitmann, J., & Steinemann, R. (1977). Project 928. A development history of the Porsche 928 from first sketch to production. Motorbuch.

Chicago Style (17th ed.) Citation

Weitmann, Julius, and Rico Steinemann. Project 928. A Development History of the Porsche 928 from First Sketch to Production. Stuttgart: Motorbuch, 1977.

MLA (9th ed.) Citation

Weitmann, Julius, and Rico Steinemann. Project 928. A Development History of the Porsche 928 from First Sketch to Production. Motorbuch, 1977.