APA citiranje

Willis, K. (2017). State of the World's Plants 2017. Royal Botanics Gardens Kew.

Chicago Style (17th ed.) Citation

Willis, Kathy. State of the World's Plants 2017. London: Royal Botanics Gardens Kew, 2017.

MLA citiranje

Willis, Kathy. State of the World's Plants 2017. Royal Botanics Gardens Kew, 2017.