APA (7th ed.) Citation

TG, H., JA, K., KJ, S., RR, R., LJ, S., RA, W., . . . LJ, D. (1995). Differences in HIV risk characteristics between bisexual and exclusively gay men. AIDS Education & Prevention, 7(6), 504. https://doi.org/10.1521/aeap.1995.7.6.504

Chicago Style (17th ed.) Citation

TG, Heckman, et al. "Differences in HIV Risk Characteristics Between Bisexual and Exclusively Gay Men." AIDS Education & Prevention 7, no. 6 (1995): 504. https://doi.org/10.1521/aeap.1995.7.6.504.

MLA (9th ed.) Citation

TG, Heckman, et al. "Differences in HIV Risk Characteristics Between Bisexual and Exclusively Gay Men." AIDS Education & Prevention, vol. 7, no. 6, 1995, p. 504, https://doi.org/10.1521/aeap.1995.7.6.504.

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