APA (7th ed.) Citation

Bertsch, J. J., & Orr, D. (1997). DAN oxygen first aid for scuba diving injuries (4th edition.). Divers Alert Network.

Chicago Style (17th ed.) Citation

Bertsch, Jeffrey J., and Dan Orr. DAN Oxygen First Aid for Scuba Diving Injuries. 4th edition. Durham, NC: Divers Alert Network, 1997.

MLA (9th ed.) Citation

Bertsch, Jeffrey J., and Dan Orr. DAN Oxygen First Aid for Scuba Diving Injuries. 4th edition. Divers Alert Network, 1997.