Cita APA (7a ed.)

Strittmatter, E., & Baltzer, H. (1963). Pony Pedro (1.-10. Tausend.). Insel-Verlag.

Cita Chicago Style (17a ed.)

Strittmatter, Erwin, y Hans Baltzer. Pony Pedro. 1.-10. Tausend. Leipzig: Insel-Verlag, 1963.

Cita MLA (8a ed.)

Strittmatter, Erwin, y Hans Baltzer. Pony Pedro. 1.-10. Tausend. Insel-Verlag, 1963.