APA (7th ed.) Citation

Keyes, C. (1924). Is geology in the doldrums? Engineering & Mining Journal (00958948), 118, 541.

Chicago Style (17th ed.) Citation

Keyes, C. "Is Geology in the Doldrums?" Engineering & Mining Journal (00958948) 118 (1924): 541.

MLA (9th ed.) Citation

Keyes, C. "Is Geology in the Doldrums?" Engineering & Mining Journal (00958948), vol. 118, 1924, p. 541.

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