APA (7th ed.) Citation

Marsh, L. G. (1964). Let's explore mathematics: Book 4. A & C Black.

Chicago Style (17th ed.) Citation

Marsh, L. G. Let's Explore Mathematics: Book 4. London: A & C Black, 1964.

MLA (9th ed.) Citation

Marsh, L. G. Let's Explore Mathematics: Book 4. A & C Black, 1964.