APA (7th ed.) Citation

Nentwig, J., Kreuder, M., & Morgenstern, K. (1983). Chemistry made easy, part 1: A programmed course for self instruction. Verlag Chemie.

Chicago Style (17th ed.) Citation

Nentwig, J., Manfred Kreuder, and Karl Morgenstern. Chemistry Made Easy, Part 1: A Programmed Course for Self Instruction. Weinheim: Verlag Chemie, 1983.

MLA (9th ed.) Citation

Nentwig, J., et al. Chemistry Made Easy, Part 1: A Programmed Course for Self Instruction. Verlag Chemie, 1983.