APA引文

Pollard, A., & Clarke, C. (1988). Deaths during mountaineering at extreme altitude.

Chicago Style (17th ed.) Citation

Pollard, A., and C. Clarke. Deaths During Mountaineering at Extreme Altitude. 1988.

MLA引文

Pollard, A., and C. Clarke. Deaths During Mountaineering at Extreme Altitude. 1988.

警告：這些引文格式不一定是100％准確.