APA
Fischer D. D. H. &. J. H. (., . (1998). Hubble revised # Hubble revisited. New York: Springer -verlag.
Chicago
Fischer Daniel Duerbeck Hilmar & Jenkner Helmut (tra), . 1998. Hubble revised # Hubble revisited. New York: Springer -verlag.
Harvard
Fischer D. D. H. &. J. H. (., . (1998). Hubble revised # Hubble revisited. New York: Springer -verlag.
MLA
Fischer Daniel Duerbeck Hilmar & Jenkner Helmut (tra), . Hubble revised # Hubble revisited. New York: Springer -verlag. 1998.