Monographia Cladoniarum Universalis I–III.

MLA

Ahti, T. “Monographia Cladoniarum Universalis I–III.” Lichenologist, vol. 12, no. 1, Jan. 1980, pp. 155–56. EBSCOhost, https://doi.org/10.1017/S0024282980000102.

APA

Ahti, T. (1980). Monographia Cladoniarum Universalis I–III. Lichenologist, 12(1), 155–156. https://doi.org/10.1017/S0024282980000102

Chicago

Ahti, T. 1980. “Monographia Cladoniarum Universalis I–III.” Lichenologist 12 (1): 155–56. doi:10.1017/S0024282980000102.