APA (7th ed.) Citation

Casares, J. (1930). W.H. Hudson, Argentine ornithologist. [publisher not identified].

Chicago Style (17th ed.) Citation

Casares, Jorge. W.H. Hudson, Argentine Ornithologist. [Amsterdam]: [publisher not identified], 1930.

MLA (8th ed.) Citation

Casares, Jorge. W.H. Hudson, Argentine Ornithologist. [publisher not identified], 1930.

Warning: These citations may not always be 100% accurate.