APA (7th ed.) Citation

Rogers, W. E., & Smith, O. A. (1935). Tree flowers of forest, park, and street. The author.

Chicago Style (17th ed.) Citation

Rogers, Walter E., and Olga A. Smith. Tree Flowers of Forest, Park, and Street. Appleton, Wis.: The author, 1935.

MLA (9th ed.) Citation

Rogers, Walter E., and Olga A. Smith. Tree Flowers of Forest, Park, and Street. The author, 1935.