APA (7th ed.) Citation

EARLE. (1999). Dive!: My adventures in the deep frontier. National Geographic Society.

Chicago Style (17th ed.) Citation

EARLE. Dive!: My Adventures in the Deep Frontier. Washington D.C.: National Geographic Society, 1999.

MLA (9th ed.) Citation

EARLE. Dive!: My Adventures in the Deep Frontier. National Geographic Society, 1999.

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