APA (7th ed.) Citation

Louwhoff, S. H. J. J., & Elix, J. A. (1999). Parmotrema and allied lichen genera in Papua New Guinea. Cramer.

Chicago Style (17th ed.) Citation

Louwhoff, Simone H. J. J., and John A. Elix. Parmotrema and Allied Lichen Genera in Papua New Guinea. Berlin [u.a.]: Cramer, 1999.

MLA (9th ed.) Citation

Louwhoff, Simone H. J. J., and John A. Elix. Parmotrema and Allied Lichen Genera in Papua New Guinea. Cramer, 1999.