APA (7th ed.) Citation

Marsh, L. G. (1969). Check your answers: Let's explore mathematics books 1 and 2 and to workshops 1 and 2. A & C Black.

Chicago Style (17th ed.) Citation

Marsh, L. G. Check Your Answers: Let's Explore Mathematics Books 1 and 2 and to Workshops 1 and 2. London: A & C Black, 1969.

MLA (9th ed.) Citation

Marsh, L. G. Check Your Answers: Let's Explore Mathematics Books 1 and 2 and to Workshops 1 and 2. A & C Black, 1969.