記錄引文

Citação APA (7ª ed.)
Bertin, G., Lau, Y. Y., Lin, C. C., Mark, J. W., & Sugiyama, L. (1977). Discrete spiral modes in disk galaxies: Some numerical examples based on density wave theory. Proc Natl Acad Sci U S A.
Citação do estilo Chicago (17ª ed.)
Bertin, G., Y. Y. Lau, C. C. Lin, James W.-K Mark, e L. Sugiyama. "Discrete Spiral Modes in Disk Galaxies: Some Numerical Examples Based on Density Wave Theory." Proc Natl Acad Sci U S A 1977.
Citação MLA (9ª ed.)
Bertin, G., et al. "Discrete Spiral Modes in Disk Galaxies: Some Numerical Examples Based on Density Wave Theory." Proc Natl Acad Sci U S A, 1977.
警告:這些引文格式不一定是100%准確.