Cita APA (7th ed.)

Watson, E. R. (1924). Adolf Beck (1877-1904). William Hodge & Company.

Cita Chicago (17th ed.)

Watson, Eric R. Adolf Beck (1877-1904). Edinburgh: William Hodge & Company, 1924.

Cita MLA (8th ed.)

Watson, Eric R. Adolf Beck (1877-1904). William Hodge & Company, 1924.