The riddle of the sands : a record of secret service

MLA

Childers, Erskine, et al. The riddle of the sands : a record of secret service. Oxford ; New York : Oxford University Press, 1998.

APA

Childers, E., Trotter, D., Snaith, A. & Gotham Book Mart Collection (University of Pennsylvania). (1998). The riddle of the sands : a record of secret service. Oxford ; New York : Oxford University Press.

Chicago

Childers, Erskine, David Trotter, Anna. Snaith and Gotham Book Mart Collection (University of Pennsylvania). The riddle of the sands : a record of secret service. Oxford ; New York : Oxford University Press, 1998.