APA (7th ed.) Citation

LÜCKING, R., ARCHER, A. W., & APTROOT, A. (2009). A world-wide key to the genus Graphis (Ostropales: Graphidaceae). Lichenologist, 41(4), 363. https://doi.org/10.1017/S0024282909008305

Chicago Style (17th ed.) Citation

LÜCKING, Robert, Alan W. ARCHER, and André APTROOT. "A World-wide Key to the Genus Graphis (Ostropales: Graphidaceae)." Lichenologist 41, no. 4 (2009): 363. https://doi.org/10.1017/S0024282909008305.

MLA (9th ed.) Citation

LÜCKING, Robert, et al. "A World-wide Key to the Genus Graphis (Ostropales: Graphidaceae)." Lichenologist, vol. 41, no. 4, 2009, p. 363, https://doi.org/10.1017/S0024282909008305.