APA (7th ed.) Citation

MacKenzie, D. M. (1972). Intra principis: The mechanism of gravity. Tauranga.

Chicago Style (17th ed.) Citation

MacKenzie, D. M. Intra Principis: The Mechanism of Gravity. Lyndhurst: Tauranga, 1972.

MLA (9th ed.) Citation

MacKenzie, D. M. Intra Principis: The Mechanism of Gravity. Tauranga, 1972.

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