APA (7th ed.) Citation

Bowles, E. A. (1934). A handbook of narcissus. Hopkinson.

Chicago Style (17th ed.) Citation

Bowles, Edward Augustus. A Handbook of Narcissus. London: Hopkinson, 1934.

MLA (9th ed.) Citation

Bowles, Edward Augustus. A Handbook of Narcissus. Hopkinson, 1934.