Cita APA

Fries, T. M. (1861). Genera heterolichenum Europaea recognita. Edquist et Soc..

Chicago Style (17th ed.) Citation

Fries, Theodor Magnus. Genera Heterolichenum Europaea Recognita. Upsaliae: Edquist et Soc., 1861.

Cita MLA

Fries, Theodor Magnus. Genera Heterolichenum Europaea Recognita. Edquist et Soc., 1861.