Cita APA (7a ed.)

Tomalin, R. (1969). W. H. Hudson. Greenwood Press.

Cita Chicago Style (17a ed.)

Tomalin, Ruth. W. H. Hudson. New York: Greenwood Press, 1969.

Cita MLA (8a ed.)

Tomalin, Ruth. W. H. Hudson. Greenwood Press, 1969.