Krejci-Graf, K. a., & service), S. (. (1936). Erdöl [electronic resource]. Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer.
Chicago Style (17th ed.) CitationKrejci-Graf, Karl. author., and SpringerLink (Online service). Erdöl [electronic Resource]. Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 1936.
MLA (8th ed.) CitationKrejci-Graf, Karl. author., and SpringerLink (Online service). Erdöl [electronic Resource]. Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 1936.
IICA/CATIE CitationKrejci-Graf, K. a., ; service), S. (. 1936. Erdöl [electronic resource]. Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer.