APA (7th ed.) Citation

Heimpel, W., & Heimpel, D. (1996). Ahem: NABU 1996/107.

Chicago Style (17th ed.) Citation

Heimpel, Wolfgang, and Doeon Heimpel. Ahem: NABU 1996/107. 1996.

MLA (8th ed.) Citation

Heimpel, Wolfgang, and Doeon Heimpel. Ahem: NABU 1996/107. 1996.

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