APA (7th ed.) Citation

Klein, O. c. 2. J. (2004). Come in!: The best of Onno Klein. Bucher.

Chicago Style (17th ed.) Citation

Klein, Onno ca. 20./21. Jh. Come in!: The Best of Onno Klein. München: Bucher, 2004.

MLA (9th ed.) Citation

Klein, Onno ca. 20./21. Jh. Come in!: The Best of Onno Klein. Bucher, 2004.