APA (7th ed.) Citation

Stainforth, R. M. (1978). Was it the Orinoco? AAPG Bulletin, 62, 303.

Chicago Style (17th ed.) Citation

Stainforth, R. M. "Was It the Orinoco?" AAPG Bulletin 62 (1978): 303.

MLA (9th ed.) Citation

Stainforth, R. M. "Was It the Orinoco?" AAPG Bulletin, vol. 62, 1978, p. 303.