APA (7th ed.) Citation

Buck, P. M., Jr. (1936). The world's great age: The story of a century's search for a philosophy of life. The Macmillan company.

Chicago Style (17th ed.) Citation

Buck, Philo M., Jr. The World's Great Age: The Story of a Century's Search for a Philosophy of Life. [New York]: The Macmillan company, 1936.

MLA (9th ed.) Citation

Buck, Philo M., Jr. The World's Great Age: The Story of a Century's Search for a Philosophy of Life. The Macmillan company, 1936.