APA (7th ed.) Citation

Greenfield, E., March, I., & Stevens, D. (1970). The second Penguin guide to bargain records (1. publ.). Penguin Books.

Chicago Style (17th ed.) Citation

Greenfield, Edward, Ivan March, and Denis Stevens. The Second Penguin Guide to Bargain Records. 1. publ. Harmondsworth, Middlesex: Penguin Books, 1970.

MLA (9th ed.) Citation

Greenfield, Edward, et al. The Second Penguin Guide to Bargain Records. 1. publ. Penguin Books, 1970.