APA (7th ed.) Citation

Seaward, M. R. D. (1994). Checklist of Yorkshire lichens. Leeds Philos. and Literary Soc.

Chicago Style (17th ed.) Citation

Seaward, Mark R. D. Checklist of Yorkshire Lichens. Leeds: Leeds Philos. and Literary Soc, 1994.

MLA (9th ed.) Citation

Seaward, Mark R. D. Checklist of Yorkshire Lichens. Leeds Philos. and Literary Soc, 1994.