Style de citation APA

(1973). PHYSICAL SCIENCE. v1. Introduction and guide. V2. Teachers guide ii. Penguin.

Style de citation Chicago

PHYSICAL SCIENCE. V1. Introduction and Guide. V2. Teachers Guide Ii. England: Penguin, 1973.

Style de citation MLA

PHYSICAL SCIENCE. V1. Introduction and Guide. V2. Teachers Guide Ii. Penguin, 1973.