APA (7th ed.) Citation

Gäbler, P., & Singh, S. (1937). Sadhu Sundar Singh.

Chicago Style (17th ed.) Citation

Gäbler, Paul, and Sundar Singh. Sadhu Sundar Singh. 1937.

MLA (9th ed.) Citation

Gäbler, Paul, and Sundar Singh. Sadhu Sundar Singh. 1937.

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