APA

Mcgoldrich J., . (1989). Animal Clowns. U.s.a: National Geographic Society.

Chicago

Mcgoldrich Jane, . 1989. Animal Clowns. U.s.a: National Geographic Society.

Harvard

Mcgoldrich J., . (1989). Animal Clowns. U.s.a: National Geographic Society.

MLA

Mcgoldrich Jane, . Animal Clowns. U.s.a: National Geographic Society. 1989.