APA (7th ed.) Citation

Bruyn, J., & Emmens, J. A. (1957). The Sunflower again.

Chicago Style (17th ed.) Citation

Bruyn, Josua, and J. A. Emmens. The Sunflower Again. 1957.

MLA (9th ed.) Citation

Bruyn, Josua, and J. A. Emmens. The Sunflower Again. 1957.

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