APA (7th ed.) Citation

Ptuskin, V. S. (1974). Empirical models of cosmic ray propagation in the Galaxy. Astrophysics and space science, 28(1), 17-30. https://doi.org/10.1007/BF00642235

Chicago Style (17th ed.) Citation

Ptuskin, V. S. "Empirical Models of Cosmic Ray Propagation in the Galaxy." Astrophysics and Space Science 28, no. 1 (1974): 17-30. https://doi.org/10.1007/BF00642235.

MLA (9th ed.) Citation

Ptuskin, V. S. "Empirical Models of Cosmic Ray Propagation in the Galaxy." Astrophysics and Space Science, vol. 28, no. 1, 1974, pp. 17-30, https://doi.org/10.1007/BF00642235.