Παραπομπή APA

Walker, K., & Fletcher, p. (1955). Sex and society. Penguin book.

Παραπομπή Chicago Style

Walker, Kenneth, και peter Fletcher. Sex and Society. harsmonworth: Penguin book, 1955.

Παραπομπή MLA

Walker, Kenneth, και peter Fletcher. Sex and Society. Penguin book, 1955.