APA (7th ed.) Citation

Alexander, W. B. (1925). Natural enemies of prickly pear and their introduction into Australia. H.J. Green, government printer.

Chicago Style (17th ed.) Citation

Alexander, W. B. Natural Enemies of Prickly Pear and Their Introduction into Australia. Melbourne: H.J. Green, government printer, 1925.

MLA (9th ed.) Citation

Alexander, W. B. Natural Enemies of Prickly Pear and Their Introduction into Australia. H.J. Green, government printer, 1925.