Gaya APA

Lorimer, L, T. (1995). The Grolier Encyclopedia of Knowledge Vol. 1 - 20 (Vol. 1). United States: Grolier Incorporated.

Gaya MLA

Lorimer, Lawrence, T.. "The Grolier Encyclopedia of Knowledge Vol. 1 - 20". Vol. 1 United States: Grolier Incorporated, 1995. Text.