APA (7th ed.) Citation

Morrison, N. K., & Severino, S. K. (2007). Altruism: Toward a psychobiospiritual conceptualization. Zygon, 42(1), 25-39.

Chicago Style (17th ed.) Citation

Morrison, Nancy K., and Sally K. Severino. "Altruism: Toward a Psychobiospiritual Conceptualization." Zygon 42, no. 1 (2007): 25-39.

MLA (8th ed.) Citation

Morrison, Nancy K., and Sally K. Severino. "Altruism: Toward a Psychobiospiritual Conceptualization." Zygon, vol. 42, no. 1, 2007, pp. 25-39.