APA (7th ed.) Citation

Boynton, H. W. (1930). Platinum market in 1929. Engineering & Mining Journal (00958948), 129, 115.

Chicago Style (17th ed.) Citation

Boynton, H. W. "Platinum Market in 1929." Engineering & Mining Journal (00958948) 129 (1930): 115.

MLA (9th ed.) Citation

Boynton, H. W. "Platinum Market in 1929." Engineering & Mining Journal (00958948), vol. 129, 1930, p. 115.

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