@article{lit2020boatrace,
  title={Forecasting the 2020 edition of the Boat Race},
  author={Lit, Rutger and Koopman, S.~J.},
  journal={Time Series Lab - Article Series},
  number={2},
  year={2020},
  publisher={Time Series Lab}
}

MLA:
Lit, Rutger and Koopman, Siem Jan. "Forecasting the 2020 edition of the Boat Race." Time Series Lab - Article Series 2 (2020)

APA:
Lit, R., & Koopman, S.J. (2020). Forecasting the 2020 edition of the Boat Race. Time Series Lab - Article Series, 2

MLA:
LIT, Rutger; KOOPMAN, Siem Jan. Forecasting the 2020 edition of the Boat Race. Time Series Lab - Article Series 2020, 2