APA (7th ed.) Citation

Berna, P., Buchanan-Brown, J., & Wilkinson, B. (1966). The secret of the missing boat. Penguin Books.

Chicago Style (17th ed.) Citation

Berna, Paul, John Buchanan-Brown, and Barry Wilkinson. The Secret of the Missing Boat. London: Penguin Books, 1966.

MLA (8th ed.) Citation

Berna, Paul, et al. The Secret of the Missing Boat. Penguin Books, 1966.

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