APA (7th ed.) Citation

Childers, E. (1976). The riddle of the sands : a record of secret service / by Erskine Childers: A record of secret service. Bowker and Bertram.

Chicago Style (17th ed.) Citation

Childers, Erskine. The Riddle of the Sands : A Record of Secret Service / by Erskine Childers: A Record of Secret Service. Bowker and Bertram, 1976.

MLA (9th ed.) Citation

Childers, Erskine. The Riddle of the Sands : A Record of Secret Service / by Erskine Childers: A Record of Secret Service. Bowker and Bertram, 1976.

Warning: These citations may not always be 100% accurate.