APA (7th ed.) Citation

Smith, H. V. (1961). Michigan wildflowers. Cranbook Institute of Science.

Chicago Style (17th ed.) Citation

Smith, Helen V. Michigan Wildflowers. Bloomfield Hills, Michigan: Cranbook Institute of Science, 1961.

MLA (9th ed.) Citation

Smith, Helen V. Michigan Wildflowers. Cranbook Institute of Science, 1961.