APA (7th ed.) Citation

Heimann, J., & Silver, A. (2018). 20th century travel. Taschen.

Chicago Style (17th ed.) Citation

Heimann, Jim, and Allison Silver. 20th Century Travel. Koln: Taschen, 2018.

MLA (9th ed.) Citation

Heimann, Jim, and Allison Silver. 20th Century Travel. Taschen, 2018.