APA (7th ed.) Citation

Callomon, J. H. (1959). The Ammonite Zones of the Middle Jurassic Beds of East Greenland. Geological Magazine, 96(6), 505.

Chicago Style (17th ed.) Citation

Callomon, J. H. "The Ammonite Zones of the Middle Jurassic Beds of East Greenland." Geological Magazine 96, no. 6 (1959): 505.

MLA (9th ed.) Citation

Callomon, J. H. "The Ammonite Zones of the Middle Jurassic Beds of East Greenland." Geological Magazine, vol. 96, no. 6, 1959, p. 505.