The first nineteen authors, … the last author.
Example 1 with Doi:
Acernese, F., Amico, P., Alshourbagy, M., Antonucci, F., Aoudia, S., Astone, P., Avino, S., Babusci, D., Ballardin, G., Barone, F., Barsotti, L., Barsuglia, M., Bauer, T. S., Beauville, F., Bigotta, S., Birindelli, S., Bizouard, M. A., Boccara, C., Bondu, F., … Yvert, M. (2007). Status of coalescing binaries search activities in Virgo. Classical and Quantum Gravity, 24(23), 5767-5775. https://doi.org/10.1088/0264-9381/24/23/003
Example 2 with article number or e-locator:
Adam, J., Adamová, D., Aggarwal, M. M., Aglieri Rinella, G., Agnello, M., Agrawal, N., Ahammed, Z., Ahmad, S., Ahn, S. U., Aiola, S., Akindinov, A., Alam, S. N., Albuquerque, D. S. D., Aleksandrov, D., Alessandro, B., Alexandre, D., Alfaro Molina, R., Alici, A., Alkin, A., … Zmeskal, J. (2017). Determination of the event collision time with the ALICE detector at the LHC. The European Physical Journal Plus, 132(2), Artikkel 99. https://doi.org/10.1140/epjp/i2017-11279-1