APA (7th ed.) Citation

Gilbert, P. W. (1981). Patterns of shark reproduction. Oceanus, 24(4), 30.

Chicago Style (17th ed.) Citation

Gilbert, Perry W. "Patterns of Shark Reproduction." Oceanus 24, no. 4 (1981): 30.

MLA (9th ed.) Citation

Gilbert, Perry W. "Patterns of Shark Reproduction." Oceanus, vol. 24, no. 4, 1981, p. 30.