APA-viite (7. p.)

Crewe, P., Gratwick, R., & Grafen, A. (2017). Defining fitness in an uncertain world. Springer Berlin Heidelberg.

Chicago-viite (17. p.)

Crewe, P., R. Gratwick, ja A. Grafen. Defining Fitness in an Uncertain World. Springer Berlin Heidelberg, 2017.

MLA-viite (9. p.)

Crewe, P., et al. Defining Fitness in an Uncertain World. Springer Berlin Heidelberg, 2017.