APA (7th ed.) Citation

Fischer T. Tibor. (1993). Under the Frog. London, Penguin Books, 1993.

Chicago Style (17th ed.) Citation

Fischer T. Tibor. Under the Frog. London, Penguin Books, 1993, 1993.

MLA (9th ed.) Citation

Fischer T. Tibor. Under the Frog. London, Penguin Books, 1993, 1993.

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