APA (7th ed.) Citation

Popper, D., Godard, B., Földesy, A., & Baerwald, H. Papillon. Electrola.

Chicago Style (17th ed.) Citation

Popper, David, Benjamin Godard, Arnold Földesy, and Hellmut Baerwald. Papillon. Nowawes [u.a.]: Electrola.

MLA (9th ed.) Citation

Popper, David, et al. Papillon. Electrola.