APA (7th ed.) Citation

Moorbath, S., & O'Nions, R. K. (1973). Early Archaean age for the Isua iron formation, West Greenland.

Chicago Style (17th ed.) Citation

Moorbath, S., and R. K. O'Nions. Early Archaean Age for the Isua Iron Formation, West Greenland. Koppenhagen, 1973.

MLA (9th ed.) Citation

Moorbath, S., and R. K. O'Nions. Early Archaean Age for the Isua Iron Formation, West Greenland. 1973.

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