Cita APA (7a ed.)

Seaward, M. R. (1977). Lichen ecology. Academic Press.

Cita Chicago Style (17a ed.)

Seaward, Mark R.D. Lichen Ecology. London [etc.]: Academic Press, 1977.

Cita MLA (9a ed.)

Seaward, Mark R.D. Lichen Ecology. Academic Press, 1977.