APA (7e ed.) Bronvermelding

Smith, J. L. (1966). The Liverworts pallavicinia and symphyogyna and their conducting system. University of California.

Chicago (17e ed.) Bronvermelding

Smith, James L. The Liverworts Pallavicinia and Symphyogyna and Their Conducting System. Berkley: University of California, 1966.

MLA (9e ed.) Bronvermelding

Smith, James L. The Liverworts Pallavicinia and Symphyogyna and Their Conducting System. University of California, 1966.