APA (7th ed.) Citation

Chapman, A. The Radio Boys at Ocean Point; Or, The Message that Saved the Ship.

Chicago Style (17th ed.) Citation

Chapman, Allen. The Radio Boys at Ocean Point; Or, The Message That Saved the Ship.

MLA (9th ed.) Citation

Chapman, Allen. The Radio Boys at Ocean Point; Or, The Message That Saved the Ship.

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