APA

Osborn S., . (1992). The horse of seven colors. California: Addison - Wesley.

Chicago

Osborn Steve, . 1992. The horse of seven colors. California: Addison - Wesley.

Harvard

Osborn S., . (1992). The horse of seven colors. California: Addison - Wesley.

MLA

Osborn Steve, . The horse of seven colors. California: Addison - Wesley. 1992.