APA (7th ed.) Citation

Van Essen, A. J., Menting, J. P., & Heron-Muller, T. (1975). The context of foreign-language learning. Van Gorcum.

Chicago Style (17th ed.) Citation

Van Essen, A. J., J. P. Menting, and T. Heron-Muller. The Context of Foreign-language Learning. Assen, Netherlands: Van Gorcum, 1975.

MLA (9th ed.) Citation

Van Essen, A. J., et al. The Context of Foreign-language Learning. Van Gorcum, 1975.