APA (7th ed.) Citation

R., J. H., & Baedeker, K. (1931). Norwegen - Danemark - Island - Spitzbergen. The Geographical Journal, 78(6), 558.

Chicago Style (17th ed.) Citation

R., J. H., and Karl Baedeker. "Norwegen - Danemark - Island - Spitzbergen." The Geographical Journal 78, no. 6 (1931): 558.

MLA (9th ed.) Citation

R., J. H., and Karl Baedeker. "Norwegen - Danemark - Island - Spitzbergen." The Geographical Journal, vol. 78, no. 6, 1931, p. 558.