Cita APA

Spencer, B., Marett, R. R., & Penniman, T. K. (1931). Spencer's last journey. Clarendon Press.

Citación estilo Chicago

Spencer, Baldwin, R. R. Marett, and T. K. Penniman. Spencer's Last Journey. Oxford: Clarendon Press, 1931.

Cita MLA

Spencer, Baldwin, et al. Spencer's Last Journey. Clarendon Press, 1931.