APA stil citiranja

Varcl, L., Willetts, R. F., & Antonin Bartonek [et. al.]. (1963). Geras: Geras : Studies presented to George Thomson on the occasion of his 60th birthday. Prag: Charles University (Universita Karlova).

Chicago stil citiranja

Varcl, L., R. F. Willetts, and Antonin Bartonek [et. al.]. Geras: Geras : Studies presented to George Thomson on the occasion of his 60th birthday. Prag: Charles University (Universita Karlova), 1963.

MLA stil citiranja

Varcl, L., R. F. Willetts, and Antonin Bartonek [et. al.]. Geras: Geras : Studies presented to George Thomson on the occasion of his 60th birthday. Prag: Charles University (Universita Karlova), 1963.