APA (7th ed.) Citation

Johnson, H. M. Canadian Wild Flowers: Selections from the Writings of Miss Helen M. Johnson.

Chicago Style (17th ed.) Citation

Johnson, Helen M. Canadian Wild Flowers: Selections from the Writings of Miss Helen M. Johnson.

MLA (9th ed.) Citation

Johnson, Helen M. Canadian Wild Flowers: Selections from the Writings of Miss Helen M. Johnson.

Warning: These citations may not always be 100% accurate.