APA-Zitierstil (7. Ausg.)

Falco, E. E., Wambsganß, J., & Schneider, P. (1991). The role of microlensing in estimates of the relative time delay for the gravitational images of Q0957 + 561. Monthly notices of the Royal Astronomical Society, 251(?), .

Chicago-Zitierstil (17. Ausg.)

Falco, E. E., Joachim Wambsganß, und Peter Schneider. "The Role of Microlensing in Estimates of the Relative Time Delay for the Gravitational Images of Q0957 + 561." Monthly Notices of the Royal Astronomical Society 251, no. ? (1991).

MLA-Zitierstil (9. Ausg.)

Falco, E. E., et al. "The Role of Microlensing in Estimates of the Relative Time Delay for the Gravitational Images of Q0957 + 561." Monthly Notices of the Royal Astronomical Society, vol. 251, no. ?, 1991.