APA (7th ed.) Citation

Bonnier, G., & Bonnier, M. G. (1936). Name this flower. Dent.

Chicago Style (17th ed.) Citation

Bonnier, Gaston, and M. Gaston Bonnier. Name This Flower. London: Dent, 1936.

MLA (9th ed.) Citation

Bonnier, Gaston, and M. Gaston Bonnier. Name This Flower. Dent, 1936.