APA (7th ed.) Citation

Mathias, M. E., & Constance, L. (1973). Another Look at Leibergia Coult. & Rose (Umbelliferae) ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Mathias, Mildred E., and Lincoln Constance. Another Look at Leibergia Coult. & Rose (Umbelliferae). [Sonderdr.]. 1973.

MLA (9th ed.) Citation

Mathias, Mildred E., and Lincoln Constance. Another Look at Leibergia Coult. & Rose (Umbelliferae). [Sonderdr.]. 1973.

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