APA (7th ed.) Citation

Abeywickrama, B. A., & Jansen, M. A. (1978). A check list of the liverworts of Sri Lanka. The National science Council of Sri Lanka.

Chicago Style (17th ed.) Citation

Abeywickrama, B. A., and M. A. Jansen. A Check List of the Liverworts of Sri Lanka. Colombo: The National science Council of Sri Lanka, 1978.

MLA (9th ed.) Citation

Abeywickrama, B. A., and M. A. Jansen. A Check List of the Liverworts of Sri Lanka. The National science Council of Sri Lanka, 1978.