APA (7th ed.) Citation

Heeßel, N. P. (2004). Methods and Problems.

Chicago Style (17th ed.) Citation

Heeßel, Nils P. Methods and Problems. 2004.

MLA (8th ed.) Citation

Heeßel, Nils P. Methods and Problems. 2004.

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