APA (7th ed.) Citation

Frankl, V. E., & Batthyány, A. Gesammelte Werke. Böhlau.

Chicago Style (17th ed.) Citation

Frankl, Viktor E., and Alexander Batthyány. Gesammelte Werke. Wien [u.a.]: Böhlau.

MLA (8th ed.) Citation

Frankl, Viktor E., and Alexander Batthyány. Gesammelte Werke. Böhlau.

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