APA (7th ed.) Citation

Meyer, K. (1989). Petroleum - Jonny. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Meyer, Klaus. Petroleum - Jonny. Berlin: Kinderbuchverlag, 1989.

MLA (8th ed.) Citation

Meyer, Klaus. Petroleum - Jonny. Kinderbuchverlag, 1989.

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