APA (7th ed.) Citation
Frankl, V. E., Vesely-Frankl, G., Fizzotti, E., & Bernet, R. (2007). Escritos de juventud 1923-1942. Herder.
Chicago Style (17th ed.) Citation
Frankl, Viktor E., Gabriele Vesely-Frankl, Eugenio Fizzotti, and Roberto Bernet. Escritos De Juventud 1923-1942. Barcelona: Herder, 2007.
MLA (9th ed.) Citation
Frankl, Viktor E., et al. Escritos De Juventud 1923-1942. Herder, 2007.
Warning: These citations may not always be 100% accurate.