APA (7th ed.) Citation

Warden, D. (1930). Geometry joys and some metals. Gas Journal, 192, 614.

Chicago Style (17th ed.) Citation

Warden, D. "Geometry Joys and Some Metals." Gas Journal 192 (1930): 614.

MLA (9th ed.) Citation

Warden, D. "Geometry Joys and Some Metals." Gas Journal, vol. 192, 1930, p. 614.

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