APA (7th ed.) Citation

Tisdale, E. W., & Budd, A. C. (1948). Three recent additions to the check list of Saskatchewan plants. Zenodo.

Chicago Style (17th ed.) Citation

Tisdale, E. W., and A. C. Budd. Three Recent Additions to the Check List of Saskatchewan Plants. Zenodo, 1948.

MLA (9th ed.) Citation

Tisdale, E. W., and A. C. Budd. Three Recent Additions to the Check List of Saskatchewan Plants. Zenodo, 1948.