APA (7th ed.) Citation

Cummings, G. (1973). The complete guide to investment / (by) Gordon Cummings (6th ed.). Penguin.

Chicago Style (17th ed.) Citation

Cummings, Gordon. The Complete Guide to Investment / (by) Gordon Cummings. 6th ed. Harmondsworth: Penguin, 1973.

MLA (9th ed.) Citation

Cummings, Gordon. The Complete Guide to Investment / (by) Gordon Cummings. 6th ed. Penguin, 1973.

Warning: These citations may not always be 100% accurate.