APA

bertha m., . (1970). the golden book encycloedia. New York: Golden press.

Chicago

bertha morris, . 1970. the golden book encycloedia. New York: Golden press.

Harvard

bertha m., . (1970). the golden book encycloedia. New York: Golden press.

MLA

bertha morris, . the golden book encycloedia. New York: Golden press. 1970.