Citazione Stile APA (7a Edizione)

WILKINS JOHN PAUL. (2019). WHAT CAN LIVE IN THE SNOW ? (2015 Ed.). RAINTREE PUBLISHERS.

Citazione stile Chigago Style (17a edizione)

WILKINS JOHN PAUL. WHAT CAN LIVE IN THE SNOW ? 2015 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

Citatione MLA (9a ed.)

WILKINS JOHN PAUL. WHAT CAN LIVE IN THE SNOW ? 2015 Ed. RAINTREE PUBLISHERS, 2019.