APA način citiranja

Wieser, R., & Thiel, H. (2014). A survey of “mental hardiness” and “mental toughness” in professional male football players. BioMed Central.

Čikaški stil citiranja

Wieser, Rainer, i Haymo Thiel. A Survey of “mental Hardiness” and “mental Toughness” in Professional Male Football Players. BioMed Central, 2014.

MLA način citiranja

Wieser, Rainer, i Haymo Thiel. A Survey of “mental Hardiness” and “mental Toughness” in Professional Male Football Players. BioMed Central, 2014.