APA (7th ed.) Citation

Petersen, P. M. (1972). Cryptothallus mirabilis Malmb. found on Disko Islan, West Greenland (69°15' N., 53°34' W.).

Chicago Style (17th ed.) Citation

Petersen, Peter Milan. Cryptothallus Mirabilis Malmb. Found on Disko Islan, West Greenland (69°15' N., 53°34' W.). Odense, 1972.

MLA (9th ed.) Citation

Petersen, Peter Milan. Cryptothallus Mirabilis Malmb. Found on Disko Islan, West Greenland (69°15' N., 53°34' W.). 1972.

Warning: These citations may not always be 100% accurate.