APA(7版)引用形式

De Vries, H. A. (1987). Fitness after 50 (3rd ed.). National Book Store.

Chicagoスタイル(17版)引用形式

De Vries, Herbert A. Fitness After 50. 3rd ed. Manila: National Book Store, 1987.

MLA(9版)引用形式

De Vries, Herbert A. Fitness After 50. 3rd ed. National Book Store, 1987.

警告: この引用は必ずしも正確ではありません.