APA

Sperling A. P., Gill H. S. (., .Psychology made simple. London: .

Chicago

Sperling Abraham P, Gill H S (ed.), .Psychology made simple. London: .

Harvard

Sperling A. P., Gill H. S. (., .Psychology made simple. London: .

MLA

Sperling Abraham P, Gill H S (ed.), .London: . .