APA (7th ed.) Citation

Heinrichs, H. (1992). Wer spricht? Kea, 4, 63-67.

Chicago Style (17th ed.) Citation

Heinrichs, Hans-Jürgen. "Wer Spricht?" Kea 4 (1992): 63-67.

MLA (8th ed.) Citation

Heinrichs, Hans-Jürgen. "Wer Spricht?" Kea, vol. 4, 1992, pp. 63-67.