APA(7版)引用形式

Shapp, M., & Shapp, C. (1961). Let's find out what's in the sky. Franklin Watts.

Chicagoスタイル(17版)引用形式

Shapp, Martha, , C. Shapp. Let's Find Out What's in the Sky. New York: Franklin Watts, 1961.

MLA(9版)引用形式

Shapp, Martha, , C. Shapp. Let's Find Out What's in the Sky. Franklin Watts, 1961.