APA (7th ed.) Citation

Czapski, J., & Gromek, W. (1969). Unmenschliche Erde. Büchergilde Gutenberg.

Chicago Style (17th ed.) Citation

Czapski, Józef, and Willy Gromek. Unmenschliche Erde. Frankfurt am Main <<[u.a.]>>: Büchergilde Gutenberg, 1969.

MLA (9th ed.) Citation

Czapski, Józef, and Willy Gromek. Unmenschliche Erde. Büchergilde Gutenberg, 1969.