APA (7th ed.) Citation

Hungarian problem book: Based on the Eötvös competitions, 1894 - 1905. Random House.

Chicago Style (17th ed.) Citation

Hungarian Problem Book: Based on the Eötvös Competitions, 1894 - 1905. New York: Random House.

MLA (9th ed.) Citation

Hungarian Problem Book: Based on the Eötvös Competitions, 1894 - 1905. Random House.

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