Gaya APA

Swanson, C, P., Lamb, I, M. (1963). Index nominum lichenum inter annos 1932 et 1960 divulgatorum . New York: New York: The Ronald Press Co.; 1963.

Gaya MLA

Swanson, Carl, P.., Lamb, I., Mackenzie. "Index nominum lichenum inter annos 1932 et 1960 divulgatorum". New York: New York: The Ronald Press Co.; 1963, 1963. Text.