APA (7th ed.) Citation

Spix, J. B. v., & Martius, C. F. v. (1992). Reise in Brasilien 1817 - 1820. BGBM.

Chicago Style (17th ed.) Citation

Spix, Johann Baptist von, and Carl F. von Martius. Reise in Brasilien 1817 - 1820. Berlin: BGBM, 1992.

MLA (9th ed.) Citation

Spix, Johann Baptist von, and Carl F. von Martius. Reise in Brasilien 1817 - 1820. BGBM, 1992.