APA(7版)引用形式

Palma, R. P. (1992). The secret of health, youth and longevity. s.n.].

Chicagoスタイル(17版)引用形式

Palma, Roman P. The Secret of Health, Youth and Longevity. [s.l: s.n.], 1992.

MLA(9版)引用形式

Palma, Roman P. The Secret of Health, Youth and Longevity. s.n.], 1992.