APA (7th ed.) Citation

Marsh, L. G. (1968). Let's explore mathematics: Workshop 1. A & C Black.

Chicago Style (17th ed.) Citation

Marsh, L. G. Let's Explore Mathematics: Workshop 1. London: A & C Black, 1968.

MLA (9th ed.) Citation

Marsh, L. G. Let's Explore Mathematics: Workshop 1. A & C Black, 1968.