APA Style

Martin, Ann M. (1996). Karen's School Surprise : Baby Sitters-Little Sister #77 . USA: Scholastic INC.

Chicago Style

Martin, Ann M. Karen's School Surprise : Baby Sitters-Little Sister #77. USA: Scholastic INC, 1996. Text.

MLA Style

Martin, Ann M. Karen's School Surprise : Baby Sitters-Little Sister #77. USA: Scholastic INC, 1996. Text.

Turabian Style

Martin, Ann M. Karen's School Surprise : Baby Sitters-Little Sister #77. USA: Scholastic INC, 1996. Print.