APA (7th ed.) Citation

Knowles, M. C., & O'Brien, C. G. (1907). The flora of the Barony of Shanid.

Chicago Style (17th ed.) Citation

Knowles, M. C., and C. G. O'Brien. The Flora of the Barony of Shanid. 1907.

MLA (9th ed.) Citation

Knowles, M. C., and C. G. O'Brien. The Flora of the Barony of Shanid. 1907.

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