APA (7th ed.) Citation

Welland, D. S. R. (1978). Mark Twain in England. Chatto & Windus.

Chicago Style (17th ed.) Citation

Welland, Dennis Sydney Reginald. Mark Twain in England. London: Chatto & Windus, 1978.

MLA (9th ed.) Citation

Welland, Dennis Sydney Reginald. Mark Twain in England. Chatto & Windus, 1978.