American Psychological Association
Richards, I A, & Metcalf, Ruth C, & Gibson, Christine ( 1950 ). Spanish Self Thought Through Pictures ( 00 ed. ). Pocket Books Inc.
Modern Language Association
Richards, I A and Metcalf, Ruth C and Gibson, Christine. Spanish Self Thought Through Pictures . Pocket Books Inc. 1950
Chicago Citation
Richards, I A and Metcalf, Ruth C and Gibson, Christine. Spanish Self Thought Through Pictures . 00 .New York
: Pocket Books Inc, 1950.
American Medical Association
Richards, I A and Metcalf, Ruth C and Gibson, Christine. Spanish Self Thought Through Pictures . Pocket Books Inc; 1950.