APA ציטוט

Hegner, R. W. (1968). Invertibrate zoology (2nd ed.). Macmillan.

Chicago Edition Citation

Hegner, Robert W. Invertibrate Zoology. 2nd ed. London: Macmillan, 1968.

ציטוט MLA

Hegner, Robert W. Invertibrate Zoology. 2nd ed. Macmillan, 1968.