APA (7th ed.) Citation

Engelmann, W., & Klemke, W. (1983). Biorhythmen. Quelle & Meyer.

Chicago Style (17th ed.) Citation

Engelmann, Wolfgang, and Waldemar Klemke. Biorhythmen. Heidelberg: Quelle & Meyer, 1983.

MLA (9th ed.) Citation

Engelmann, Wolfgang, and Waldemar Klemke. Biorhythmen. Quelle & Meyer, 1983.

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