Spontaneous pneumopericardium--a case report.

MLA

Abdalla, M., et al. “Spontaneous Pneumopericardium--a Case Report.” Angiology, vol. 45, no. 1, Jan. 1994, pp. 81–83. EBSCOhost, https://doi.org/10.1177/000331979404500113.

APA

Abdalla, M., Gould, L., & Bharathan, T. (1994). Spontaneous pneumopericardium--a case report. Angiology, 45(1), 81–83. https://doi.org/10.1177/000331979404500113

Chicago

Abdalla, M, L Gould, and T Bharathan. 1994. “Spontaneous Pneumopericardium--a Case Report.” Angiology 45 (1): 81–83. doi:10.1177/000331979404500113.