APA

berenstain s., berenstain j., . (1997). the berenstain bears. new york: random house.

Chicago

berenstain stan, berenstain jan, . 1997. the berenstain bears. new york: random house.

Harvard

berenstain s., berenstain j., . (1997). the berenstain bears. new york: random house.

MLA

berenstain stan, berenstain jan, . the berenstain bears. new york: random house. 1997.