Gaya APA

Paton, J. (1990). Summary : A Twenty- Six-Volume alphabetically arranged science encyclopedia (Cet. 1. --). American: Printed In The United.

Gaya MLA

Paton, Jhon. "Summary : A Twenty- Six-Volume alphabetically arranged science encyclopedia". Cet. 1. -- American: Printed In The United, 1990. Text.