APA (7th ed.) Citation

Hansen, H. J. (1913). On some Californian Schizopoda. University of California press.

Chicago Style (17th ed.) Citation

Hansen, H. J. On Some Californian Schizopoda. Berkeley: University of California press, 1913.

MLA (9th ed.) Citation

Hansen, H. J. On Some Californian Schizopoda. University of California press, 1913.